简明英汉词典

let down
v.
放下, 使失望, 辜负, 松劲, 减速下降

美国传统词典[双解]

let
let 1
AHD:[lμt]
D.J.[let]
K.K.[lWt]
v.(动词)
letlet.tinglets
v.tr.(及物动词)

(1)

To give permission or opportunity to; allow:
允许,让:允许或给予机会;允许:
I let them borrow the car. The inheritance let us finally buy a house.See Usage Note at leave 1
我允许他们借小车。遗产最终使我们得以购买一座房子参见 leave1

(2)

To cause to; make:
让;使:
Let the news be known.
公开消息

(3)

Used as an auxiliary in the imperative to express a command, request, or proposal:
作为助动词用于祈使句中,表示命令、请求或者建议:
Let's finish the job! Let x equal y.
让我们把工作干完!设X等于Y

(4)

Used as an auxiliary in the imperative to express a warning or threat:
作为助动词用于祈使句中,表示警告或威胁:
Just let her try!
就让她试试吧!

(5)

To permit to enter, proceed, or depart:
允许:允许进入、前进或出发:
let the dog in.
让狗进来

(6)

To release from or as if from confinement:
释放,放出:从监禁中或好象从监禁中放出:
let the air out of the balloon; let out a yelp.
释放气球中的空气;发出尖声急叫

(7)

To rent or lease:
租借,出租:
let rooms.
出租房间

(8)

To award, especially after bids have been submitted:
把…承包出去:尤指招标之后把…承包出去给:
let the construction job to a new firm.
把这个建筑项目承包给一个新公司
v.intr.(不及物动词)

(1)

To become rented or leased.
被出租,被租用

(2)

To be or become assigned, as to a contractor.
承包:把…承包给,如给承包商

常用词组

let down

(1)

To cause to come down gradually; lower:
放下,降下:使其逐渐下来;降低:
let down the sails.
放下船帆

(2)

To withdraw support from; forsake.
从…撤回支持;放弃

(3)

To fail to meet the expectations of; disappoint.
使失望:没有达到所期望的;使沮丧

let on

(1)

To allow to be known; admit:
宣扬;承认:
Don't let on that you know me.
不要让人知道你认识我

(2)

To pretend.
假装

let out

(1)

To come to a close; end:
终止;结束:
School let out early. The play let out at 11 p.m.
学校放学早。话剧晚上 11点结束

(2)

To make known; reveal:
使知道;泄露:
Who let that story out?
是谁泄露了消息?

(3)

To increase the size of (a garment, for example):
放大(衣服):增大(例如衣服的)尺寸:
let out a coat.
放大一件外衣

let up

(1)

To slow down; diminish:
放慢;减缓:
didn't let up in their efforts.
他们没有松劲

(2)

To come to a stop; cease:
停止;暂停:
The rain let up.
雨停下来了

习惯用语

let alone
Not to mention; much less:
更不用提;更别说:
“Their ancestors had been dirt poor and never saw royalty, let alone hung around with them”(Garrison Keillor)
“他们的祖先穷得要命,从来没有见过王族成员,更不用说和他们在一起了”(加里森·谢勒)

let go
To cease to employ; dismiss:
不再雇用;解雇:
had to let 20 workers go.
必须解雇二十名工人

let off on【非正式用语】
To cause to diminish, as in pressure; ease up on:
降低,如压力;缓和:
Let off on the gas so that we do not exceed the speed limit.
减小油门以防止超过限速

let (one's) hair down
To drop one's reserve or inhibitions.
消除某人的拘谨或压抑

let up on
To be or become more lenient with:
较宽容地对待:
Why don't you let up on the poor child?
你为什么不能较宽容地对待这个可怜的孩子呢?

语源

(1)

Middle English leten
中古英语 leten

(2)

from Old English l?n * see l?-
源自 古英语 l?n *参见 l?-

基本词义

let
let 2
AHD:[lμt]
D.J.[let]
K.K.[lWt]
n.(名词)

(1)

Something that hinders; an obstacle:
障碍物;阻碍:
free to investigate without let or hindrance.
毫无阻碍地自由调查

(2)

Sports An invalid stroke in tennis and other net games that must be repeated.
【体育运动】 触网重发:网球或其他网类球中必须重发的无效发球
v.tr.(及物动词)
let.ted或 let let.tinglets【古语】
To hinder or obstruct.
阻止或妨碍

语源

(1)

Middle English lette
中古英语 lette

(2)

from letten [to hinder]
源自 letten [阻止]

(3)

from Old English lettan * see l?-
源自 古英语 lettan *参见 l?-

现代英汉词典

let 1
[let]
vt., vi.
let, letting

(1)

允许,让
My mother wouldn't let me go to the film.
我妈妈不会让我去看电影的。

(2)

放开;释放
Let each man decide for himself.
让每个人自己决定。

(3)

出租
to let a house
出租房子

(4)

假设

习惯用语

let alone
更不用说
He hasn't enough money for food, let alone amusements.
他连吃饭钱都不够,就更不用说玩儿的钱了。

let blood
放血

let's
(表示建议或命令)
Let's go swimming on Sunday.
我们星期日去游泳吧!
Come on Mary, let's dance!
来吧!玛丽,我们来跳舞吧!

词性变化

let
n.

(1)

出租

(2)

出租的房子

常用词组

let down

(1)

加长

(2)

扫(某人的)兴;失约

(3)

给轮胎放气

(4)

let one's hair down 无拘无束;尽情享乐

let go

(1)

放开,松手

(2)

(常与of连用)放弃

let in

(1)

让…进来,放…进来

(2)

(与for连用)使卷入,使陷入(麻烦)

(3)

(常与on连用)让…知情

let off

(1)

放(炮),投放(炸弹)

(2)

排放出(气体、液体)

(3)

允许下车,允许下船,允许下飞机

(4)

(与with连用)宽恕;赦免;从宽处理

let on
泄漏(秘密)

let out

(1)

加宽,放宽(衣服)

(2)

出租(车、马等)

let up

(1)

放松

(2)

减弱,停止

基本词义

let 2
[let]
n.
〈网球〉触网重发

美国传统词典

let
let 1
AHD:[lμt]
D.J.[let]
K.K.[lWt]
v.
let, let.ting, lets
v.tr.

(1)

To give permission or opportunity to; allow:
I let them borrow the car. The inheritance let us finally buy a house.See Usage Note at leave 1

(2)

To cause to; make:
Let the news be known.

(3)

Used as an auxiliary in the imperative to express a command, request, or proposal:
Let's finish the job! Let x equal y.

(4)

Used as an auxiliary in the imperative to express a warning or threat:
Just let her try!

(5)

To permit to enter, proceed, or depart:
let the dog in.

(6)

To release from or as if from confinement:
let the air out of the balloon; let out a yelp.

(7)

To rent or lease:
let rooms.

(8)

To award, especially after bids have been submitted:
let the construction job to a new firm.
v.intr.

(1)

To become rented or leased.

(2)

To be or become assigned, as to a contractor.

常用词组

let down

(1)

To cause to come down gradually; lower:
let down the sails.

(2)

To withdraw support from; forsake.

(3)

To fail to meet the expectations of; disappoint.

let on

(1)

To allow to be known; admit:
Don't let on that you know me.

(2)

To pretend.

let out

(1)

To come to a close; end:
School let out early. The play let out at 11 p.m.

(2)

To make known; reveal:
Who let that story out?

(3)

To increase the size of (a garment, for example):
let out a coat.

let up

(1)

To slow down; diminish:
didn't let up in their efforts.

(2)

To come to a stop; cease:
The rain let up.

习惯用语

let alone
Not to mention; much less:
“Their ancestors had been dirt poor and never saw royalty, let alone hung around with them”(Garrison Keillor)

let go
To cease to employ; dismiss:
had to let 20 workers go.

let off onInformal
To cause to diminish, as in pressure; ease up on:
Let off on the gas so that we do not exceed the speed limit.

let (one's) hair down
To drop one's reserve or inhibitions.

let up on
To be or become more lenient with:
Why don't you let up on the poor child?

语源

(1)

Middle English leten

(2)

from Old English l?n * see l?-

基本词义

let
let 2
AHD:[lμt]
D.J.[let]
K.K.[lWt]
n.

(1)

Something that hinders; an obstacle:
free to investigate without let or hindrance.

(2)

Sports An invalid stroke in tennis and other net games that must be repeated.
v.tr.
let.tedor let let.ting, letsArchaic
To hinder or obstruct.

语源

(1)

Middle English lette

(2)

from letten [to hinder]

(3)

from Old English lettan * see l?-

英汉纺织大词典

let down
n.放长,冲淡,稀释

英汉航海大词典

let down
vt.放下,抛弃

英汉航空大词典

let down
减速下降,放落

英汉化学大词典

let down
n.放下,排出

英汉经贸大词典

let down
n.降低,放下,放慢,使...失望

英汉计算机大词典

let down
vt.放下(放慢,使...失望

英汉农牧林大词典

let down
n.放乳

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