Longman L 5 Let’S

Front 1

9 let’s see

Back 1

a) said when you are going to try to do something: Let’s see if/whether Andy’s home. b) said when you pause because you cannot remember or find something: Now let’s see,where
did Iput it? c) said to ask someone to showyou
something: “I got anew dress.”“Really? Let’s
see.”

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10 let’s hope (that)

Back 2

said when you hope something is true or will happen: Let’s hope she didn’t hear what we were saying.

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11 let me do sth

Back 3

said when you are offering to help someone:
Let me carry that for you.

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12 let me tell you

Back 4

said
to emphasize astatement: It was areally great
party,let me tell you.

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3 let sb in on sth

Back 5

to tell someone a secret: I’ll let you in on a little secret.

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let sb ↔ into sth

Back 6

phr.v. to allowsomeone to come
into aroom or building: Security guards refused to
let reportersinto the building.

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let sb ↔ off

Back 7

phr.v. to not punish someone, or to not
makehim/her do something: The police officer let
us offwith awarning.

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let on

Back 8

phr.v. to behave in away that shows you
knowasecret: Don’t let on (that) you know!

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let out

Back 9

phr.v. 1 let sb ↔ out to allowsomeone to
leave abuilding, room, etc.: Let the dogout,
please. 2 if aschool, college, movie, etc. lets out,
it ends, and people can leave : School lets out at
3:30. 3 let sth ↔ out to allowlight, air,etc. to
leave aplace: Close the door –you’re letting all the
heat out. 4 let out ascream/cry etc. to makea
sound, especially aloud one

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let up

Back 10

phr.v. if rain or snowlets up, it stops or there
is less of it ➔ LETUP

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let·down

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/'lEtdaUn / n. [singular] (informal)some-
thing that makes you feel disappointed because it is
not as good as you expected SYN disappoint-
ment: Ourhotel was abig letdown.

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le·thar·gic

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/l@'θ ArdZIk / adj. having no energy,so
that you feel lazy or tired [ORIGIN: 1300—1400
Latin lethargicus ,f rom Greek, from lethargos
“forgetful, lazy”] —lethargy / 'lEθ ødZi / n. [U]

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to the letter

Back 13

exactly:
He followed their instructions
to the letter. [ORIGIN : 1200—1300 Old French
lettre ,f rom Latin littera]

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let·ter·head

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/'lEÔø"hEd / n. 1 [U] paper that has
the name and address of aperson or business
printed at the top of it 2 [C] the name and address
of aperson or business printed at the top of apiece
of paper

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let·tuce

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/ 'lEÔIs / n. [C,U] around green vegetable
with large thin leaves, eaten rawin SALAD s [ORI-
GIN: 1200—1300 Old French laitues ,p lural of
laitue ,f rom Latin lactuca ,f rom lac “milk;”
because of its milkyjuice] ➔ see pictureat VEG-
ETABLE

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leu·ke·mia

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/ lu'kimi@ / n. [U] aserious disease
that affects the blood and that can cause death
[ORIGIN : 1800—1900 Greek leukos “white” +
-aimia (from haima “blood”)]

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let·up

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/ 'lEÔöp / n. [singular,U] a pause or a reduction
in a difficult, dangerous, or tiring activity: We drov e
24 hoursstraight without letup (=without stop-
ping).

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lev·ee

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/'lEvi / n. [C] a special wall built to stop a river from flooding

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"level-'headed

Back 19

adj. calm and sensible in making
judgments or decisions

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lev·er

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/'lEvø, 'li-/ n. [C] 1 astick or handle
attached to amachine, that you move to makethe
machine work 2 along thin piece of metal, wood,
etc. that you put under aheavy object in order to lift
it —lev er v. [T]

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lev·er·age

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قدرت نفوذ شیوه بهکار بردن اهرم / 'lEv@rIdZ, 'li- / n. [U] influence that you can use to makepeople do what you want:
Small businesses have less leverage in dealing with
banks.

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lev·i·tate

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/'lEv@"teIt / v. [I] to rise and float in the air as if by magic —levitation /"lEv@'teIS@n / n.
[U]

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lev·i·ty

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/ 'lEv@Ôi / n. [U] (formal)the quality of tell-
ing jokes and having fun instead of being serious

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lev·y1

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/'lEvi / Ac v. ( levied, levies) levy atax/
charge etc. to officially makesomeone pay atax,
etc.: A15% tax is levied on most hotel services.
levy2 n. ( plural levies) [C] an additional sum of
money, usually paid as atax: Anew levy on agri-
cultural imports will be introduced.

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lewd

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/lud / adj. using rude words or movements
that makesomeone think of sex: lewd jokes

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li·a·bil·i·ty

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/"laI@'bIl@Ôi / n. (plural liabili-
ties) 1 [U] LAW legal responsibility for something,
especia lly for paying moneythat is owed, or for
damage or injury: The company has admitted
liability fo r the accident. 2 [Cusually singular]
someone or something that is likely to cause you
problems: He became a liability to the
team. 3 liab ilit ies [plural] ECONOMICS the amount
of debt that acompanyowes ➔ ASS ET

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li·a·ble

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/'laI@b@l / adj. 1 be liable to do sth to
be likely to do something, behave in aparticular
way, or be treated in aparticular way: Wayne and I
areliable to start arguing if we discuss poli-
tics. 2 LA W legally responsible for the cost of
something: The university was not held liable fo r
the damage done by its students.

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li·aise

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/ li'eIz / v. [I] to work with other people and
share information with them

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li·ai·son

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/ li'eI"zAn / n. 1 [C] someone who talks
to different people, departments, groups, etc. and tells each of them about what the others are doing:
He’sthe liaison between the ruler and the local
people. 2 [C] asecret sexual relationship 3 [singu-
lar,U] aworking relationship between twogroups,
companies, etc.

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li·ar

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/ 'laIø / n. [C] someone who tells lies

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li·bel

Back 31

/ 'laIb@l / n. [C,U] LAW the act of writing or
printing untrue statements about someone, so that
other people are likely to have abad opinion of
him/her: He is suing the magazine forlibel. [ORI-
GIN : 1300—1400 Old French, Latin libellus,
from liber “book”] —libel v. [T]
THE SA URUS lie, fib, falsehood, fabrication,
slander ➔ LIE 3

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"liberal 'arts

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n. [plural] subjects that develop
someone’sgeneral knowledge and ability to think,
rather than technical skills

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lib·er·tar·i·an

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/"lIbø'tEri@n / n. [C] someone who
believesstrongly that people should be free to live
with little or no government involvement in their
live s —libertarian ad j.

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4 take the libe rty of doingsth

Back 34

to
do somethingwithout asking permission because
you do not think it will upset or offend anyone: I
took the liberty of inviting Jeff along.

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be at libe rty to
do sth

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to have the right or permission to do
something: I’m not at liberty to say whereheisat
the moment.

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li·bi·do

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/lI'bidoU /( plural libidos) n. [C,U] some-
one’sdesire to have sex

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Li·bra

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/'libr@ / n. 1 [U] the seventh sign of the
ZODIAC ,represented by a SCALE 2 [C] someone
born between September 23 and October 23

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lice

Back 38

/laIs / n. the plural of LOUSE

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'licenseplate

Back 39

n. [C] one of the signs with num-
bers and letters on it at the front and back of your
car

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li·cen·tious

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/laI'sEnS@s / adj. (literary)sexually
immoral or not controlling behavior in an accept-
able way: licentious books —lic ent iou sne ss n.
[U]

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lick·ing

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/'lIkIÎ / n. [singular] (informal) 1 asevere
beating as apunishment 2 aheavy defeat in a
sports competition

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lic·o·rice

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/'lIk@rIS / n. [U] atype of strong-tasting
black or red candy [ORIGIN : 1100—1200 Old
French, Late Latin liquiritia ,f rom Latin glycyr-
rhiza ,f rom Greek, from glykys “sweet” + rhiza
“root”]

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lid

Back 43

/lId / n. [C] 1 acoverfor apot, box, or other
container: He carefully lifted the lid of the box.
THE SA URUS cover, top, cap ➔ COV ER 2

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2 keep alid on sth

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(informal)tocontrol asituation
so that it does not become worse: Police try to keep
alid on crime in the area. 3 an EY ELID [ORIGIN :
Old English hlid ]

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lie around

Back 45

phr.v. 1 to be left out of the correct
place, so that things look messy: Books and papers
werelying around everywhere. 2 to spend time
being lazy,not doing anything useful: We lay
around the house all afternoon, watching TV.

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liebehind st h

Back 46

phr.v. to be the true reason for an
action, decision, etc.: Iwonder what really lay
behind her decision to quit her job.

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lie1

Back 47

/laI / v. (past tense lay /leI /,past par ticiple lain
/ leIn / ,present par ticiple lying) [I] 1a) to be in a
position in which your body is flat on the floor,a
bed, etc.: We lay on the beachall day. | I lay awake
worrying. b) also liedown to put yourself in this
position: I’m going upstairs to lie down. 2 to be in
aparticular place or position: The town lies to the
east of the lake. | The ship had lain on the ocean
floor for decades. 3 used to say where something
such as areason or answer can be found: Mitchell’s
charm lies in his sense of humor. 4 to be or remain
in aparticular condition or position: The city lay in
ruins. | The letterslay hidden in her attic for forty
years. lie1 /laI / v. (past tense lay /leI /,past par ticiple lain
/ leIn / ,present par ticiple lying) [I] 1a) to be in a
position in which your body is flat on the floor,a
bed, etc.: We lay on the beachall day. | I lay awake
worrying. b) also liedown to put yourself in this
position: I’m going upstairs to lie down. 2 to

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5 lie low

Back 48

to remain hidden when someone
is trying to find you: Weaver decided to lie low at
his sister’shouse.

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6 lie ahead

Back 49

if something lies
ahead, it is going to happen in the future: Thereare
difficulties that lie ahead.

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lie around

Back 50

phr.v. 1 to be left out of the correct
place, so that things look messy: Books and papers
werelying around everywhere. 2 to spend time
being lazy,not doing anything useful: We lay
around the house all afternoon, watching TV.

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liebehind st h

Back 51

phr.v. to be the true reason for an
action, decision, etc.: Iwonder what really lay
behind her decision to quit her job.

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lie2

Back 52

v. ( past tense and past par ticiple lied /laId /,
present par ticiple lying) [I] to deliberately tell some-
one something that is not true: She’s lying about
her age. | Don’t lie to me!

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lie THE SA URUS

Back 53

make sth up –toinvent astory,explanation,
etc. in order to deceivesomeone: “What’ll yo u
tell your mother?” “I’ll makesomething up.”

tell (sb) alie –tolie: Did he makeamistake, or
did he tell alie?
mislead –tomakesomeone believe something
that is not true by giving him/her false or
incomplete information: The ads were accused of
misleading consumers.
perjurey ourself/commit perjury (formal) –
to tell alie in acour toflaw: Companyexecutives
may haveperjured themselves in sworn testimony
to Congress.
falsify –tochange figures, records, etc. so that
theycontain false information: Apparently,he
falsified the records in order to steal the money.