let off

英 [let ɒf]

美 [let ɔːf]

准许…不必做（或不必工作）; 对…宽大处理; 使（炸药等）爆炸; 开（枪、炮等）

柯林斯词典

PHRASAL VERB 准许…不必做（或不必工作）
If someone in authorityletsyouoffa task or duty, they give you permission not to do it.
1. The theatre management kindly let me off a couple of performances to go to Yorkshire...
  剧院领导很体谅地同意我休演几场抽身到约克郡去。
2. In those days they didn't let you off work to go home very often.
  在当时，他们并不经常准许请假回家。
PHRASAL VERB 对…宽大处理
If youletsomeoneoff, you give them a lighter punishment than they expect or no punishment at all.
1. Because he was a Christian, the judge let him off...
  由于他是基督徒，法官便对他从轻发落。
2. When police realised who he was, they asked for an autograph and let him off with a warning.
  警察知道他是谁后，便向他要了签名，然后只给了他个警告就放他走了。
PHRASAL VERB 使（炸药等）爆炸；开（枪、炮等）
If youlet offan explosive or a gun, you explode or fire it.
1. A resident of his neighbourhood had let off fireworks to celebrate the Revolution.
  他家附近的一个居民燃放了烟花庆祝革命胜利。

verb

grant exemption or release to
1. Please excuse me from this class
Synonym:excuserelieveexempt

I gave the rest of the squibs to the little Cummings'boy to let off.
我把其余的爆竹都给了卡明斯的小孩。
They hope this will let off steam and help prevent a dramatic bursting of a property bubble.
他们希望这将起到釜底抽薪的作用，帮助防止地产行业出现戏剧性的泡沫破裂。
Recently we have had a heated discussion on whether we can let off fireworks on Spring Festival or not.
最近我们就是否可以在春节期间燃放烟花爆竹举行了讨论。
She was let off with a warning.
她没被处罚，只是受了个警告。
Jane: Come on. I think you need to let off some steam.
简：来吧，我觉得你应该把愤怒发泄出来。
Please forgive me for saying that; I just needed to let off steam.
请原谅我讲的那些话，我只不过是要发发牢骚而已。
He was let off without punishment; we won't let him off so easily next time.
他没受处分就过去了，下次我们不能这样轻易放过他。
US businesses have been let off lightly.
美国企业暂且逃过了一劫。
Therefore, I believe, just give me a chance, I definitely let off; give me a platform, I will do better than others.
所以我相信，只要给我机会，我绝对不放过；给我一个平台，我会比别人做的更出色。
The theatre management kindly let me off a couple of performances to go to Yorkshire
剧院领导很体谅地同意我休演几场抽身到约克郡去。