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词汇 let
释义
let/let/ (let, let; letting)
vt
1. 允许;让
• Her father would not let her go there. 她父亲不许她去那里。
• Don't let the fire go out. 不要让火熄灭。
• Don't let the dog in. 别让狗进来。
2. [用于第一、第三人称的祈使句] 让
• Let me get the doctor. 让我去叫医生来吧。
• Let's go for a walk. 咱们去散散步吧。
• Let him try. 让他试试吧。
3. 假设
• Let angle ABC be equal to angle CDE. 假设角ABC与角CDE相等。
4. 出租
• This apartment has been let to a young couple. 这套公寓已经租给一对年轻夫妇。
vi 出租
• This house is to let. 这所房子待租。
词组let alone
1. 更不要说,更不必说
• He hasn't enough money for food, let alone amusements. 他连吃饭的钱都不够,更不要说娱乐了。
2. 别管,别干涉,别打扰
• The old man gets angry; let him alone. 那位老人生气了,别去惹他。
let be 不干涉,不打扰
• I'm busy; let me be. 我很忙,别打扰我。
let down
1. 辜负,使失望
• He really let us down by not passing the driving test. 他驾驶考试没有通过,真的很让我们失望。
2. 放下
• We let the bucket down by a rope. 我们用一条绳子把桶放了下去。
let down gently 温和对待;留给面子 let go
1. 放开,放手
• The dog ran away when she let go the leash. 她一放开皮带狗就跑了。
2. 放弃
• He wouldn't let go of his vested interest. 他不会放弃自己的既得利益。
3. 断裂,破裂
• The water pipe has let go. 水管已经破了。
4. 射出
• He let go an arrow and hit the pheasant. 他一箭射中野鸡。
let in
1. 允许进入
• Open the window and let fresh air in. 打开窗子,放些新鲜空气进来。
• He opened the door and let me in. 他打开门让我进去。
2. 把…透露给
• I don't know who let them in on our plan. 我不知道是谁把我们的计划告诉他们的。
let sb.in for 使某人陷入;惹出(麻烦)
• He let himself in for trouble by gossiping. 他多嘴而给自己找上麻烦。
let into
1. 允许进入
• He let himself into the house. 他进入房子。
2. 让(某人)知道
• I'll let you into a secret. 我要告诉你一个秘密。
3. 嵌入,镶入
• He let the gas pipes into the wall. 他把煤气管道嵌入墙里。
4. 允许加入
• I wish them to let me into the club. 我希望他们让我加入俱乐部。
let me see 让我想一想 let off
1. 开(枪等),使(炸弹)爆炸;燃放(爆竹等)
• We let fireworks off during the Spring Festival years ago. 多年前我们在春节期间放花炮。
2. 排放(蒸汽等)
3. 让…下车(或船等)
• He let me off at a small town. 他让我在一个小镇下车。
4. 放过,从轻处置,饶恕
• I won't let him off easily. 我不会轻易放过他。
• She was let off with a fine instead of being sent to prison. 她受到从轻处置,被罚了款,而不是被送进监狱。
let on
1. 泄露秘密
• You can trust him. He won't let on to anybody. 你可以信任他,他不会告诉任何人的。
2. 假装
• She let on to be happy when at home. 她在家的时候装得很高兴。
let out
1. 放出(水、气等);发出(叫声)
• He let out a scream of terror. 他惊恐地尖叫了一声。
2. 泄露(秘密)
• Someone has let out our plan. 有人把我们的计划泄露出去了。
3. (把衣服)放宽松
4. 出租(或放出承包)
5. 释放,放出
• Let the dog out. 把狗放出来。
6. 解雇
• He has been let out. 他被解雇了。
let sb. have it
1. 猛击,痛打
• He picked up a stick and let the burglar have it. 他拣起一根棍子向窃贼猛打了一下。
2. 斥责,攻击
• The old man got angry and let him have it. 老人生气了,把他批评了一顿。
let sb. through 让…及格
• He was not let through in the exam. 他考试没及格。
let up
1. 放松
• We let up for a moment at noon. 我们中午休息了一下。
2. (雨、雪等)停止
• When will the rain let up? 雨什么时候才能停?
用法说明

let, permit, allow, admit, authorize, grant

这几个词都可表示“允许”、“准许”。其区别在于:

let最为常用,较口语化。通常少用被动语态,例如:

I didn't go, because my mother didn't let me.我没有去,因为我母亲不允许。

admit较为正式,表示允许进入公共场合,例如:

The ticket admits two people to the party.这张票允许两个人入场参加晚会。

allow常可与permit换用,表示默许或不加制止,例如:

Smoking is not allowed(或permitted) here.此地禁止吸烟。

permit较为正式,表示得到权威的认可或法规的“准许”,例如:

The policeman permitted his parking here.警察允许他在这里停车。

authorize比permit语气更强,侧重表示权力机构根据所授予的权力批准某事或允许某人做某事,例如:

The government authorized the construction of a new highway.政府批准新建一条公路。

grant表示准许下属的请求或准许他人享受正当的权益,例如:

The captain granted his crew shore leave.船长准许船员上岸放假。

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