let

allow, let, permit, leave, authorize

allow, let

• he allowed me to take his dictionary.
  他允许我拿走他的词典。
• will you allow me to use your bike？
  我可以用你的自行车吗？

• please let me walk with you（＝please allow me to walk with you．）
  我（请允许我）跟你一起走。

名词 let:

1. the most brutal terrorist group active in Kashmir; fights against India with the goal of restoring Islamic rule of India
   同义词：Lashkar-e-Taiba, Lashkar-e-Toiba, Lashkar-e-Tayyiba, Army of the Pure, Army of the Righteous
2. a serve that strikes the net before falling into the receiver's court; the ball must be served again
   同义词：net ball

动词 let:

1. make it possible through a specific action or lack of action for something to happen
   同义词：allow, permit
2. actively cause something to happen
3. consent to, give permission
   同义词：permit, allow, countenance
4. cause to move; cause to be in a certain position or condition
   同义词：get, have
5. leave unchanged
6. grant use or occupation of under a term of contract
   同义词：lease, rent

1. I don't agree with all you say, but I'll let it go at that.
   我并不完全同意你说的话，但我不再多说了。
2. Let me see where did I leave my hat?
   让我想想看－－我把帽子落在哪儿了？
3. He let a week go by before answering the letter.
   他一周以后才回信。
4. She lets her children play in the garden.
   她让孩子们在花园里玩。

let

v.（动词）
let,let.ting,lets
v.tr.（及物动词）
To give permission or opportunity to; allow:
允许，让：允许或给予机会；允许：
例句：
I let them borrow the car. The inheritance let us finally buy a house.See Usage Note at leave
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 leave

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

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：
例句：
Let`s finish the job! Let x equal y.
让我们把工作干完！设X等于Y

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：
例句：
Just let her try!
就让她试试吧！

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

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：
例句：
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

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

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：
例句：
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）
To become rented or leased.
被出租，被租用
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
To cause to come down gradually; lower:
放下，降下：使其逐渐下来；降低：
例句：
let down the sails.
放下船帆

To withdraw support from; forsake.
从…撤回支持；放弃
To fail to meet the expectations of; disappoint.
使失望：没有达到所期望的；使沮丧
let on
To allow to be known; admit:
宣扬；承认：
例句：
Don`t let on that you know me.
不要让人知道你认识我

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

To make known; reveal:
使知道；泄露：
例句：
Who let that story outô
是谁泄露了消息ô

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

let up
To slow down; diminish:
放慢；减缓：
例句：
didn`t let up in their efforts.
他们没有松劲

To come to a stop; cease:
停止；暂停：
例句：
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：
例句：
.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：
例句：
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：
例句：
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：
例句：
Why don`t you let up on the poor childô
你为什么不能较宽容地对待这个可怜的孩子呢ô

来源：
Middle English leten
中古英语 leten
from Old English lôtan * see lô-
源自 古英语 lôtan *参见 lô-

let
let 2

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

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.ting,lets 【古语】
To hinder or obstruct.
阻止或妨碍

来源：
Middle English lette
中古英语 lette
from letten [to hinder]
源自 letten [阻止]
from Old English lettan * see lô-
源自 古英语 lettan *参见 lô-