let off
US
UK let [sb] off vtr phrasal sep: informal (find [sb] not guilty)
SC 无罪释放 wú zuì shì fàng
The man was charged with assault, but the judge let him off due to insufficient evidence.
这名男子被控袭击罪，但因证据不足，法官判他无罪。
let [sb] off vtr phrasal sep: informal (forgive, not punish)
SC 放过
TC 放過
TC 放過
Alfie forgot to do his homework, but the teacher let him off.
阿尔菲忘记做家庭作业，但老师放过了他。
let [sb] off with [sth] v expr: informal (not punish severely)
SC 轻易放过
SC 从轻发落
The police caught Alfie tagging a wall, but let him off with a stern warning.
警察逮到阿尔菲在墙上涂鸦，但在警告他之后就放他走了。
let [sb] off vtr phrasal sep: (excuse [sb] from a duty, job)
SC 允许某人不用做某事
Ian's boss let him off for a couple of hours to visit his mother in hospital.
伊恩的老板给他放了几个小时假，让他去探望住院的母亲。
let off [sth], let [sth] off vtr phrasal sep: (fire: explosive, gun, etc.) (枪炮)
SC 开，开火 kāi，kāi huǒ
TC 開，開火
TC 開，開火
SC 引爆 yǐn bào(炸弹)
It is against the law to let off fireworks in the street.
在街上放烟花是违法的。
let off steam, blow off steam v expr: figurative (vent emotions or anger) (比喻)
SC 宣泄情感，宣泄怒气 xuān xiè qíng gǎn，xuān xiè nù qì
I was annoyed and wanted to let off steam.
I called my boyfriend and he let me blow off steam for an hour.
let off steam, blow off steam v expr: slang, figurative (release energy)
SC 发泄感情 fā xiè gǎn qíng
TC 發洩感情
TC 發洩感情
SC 发泄过剩的精力 fā xiè gǎn qíng，fā xiè guò shèng de jīng lì
There was a play area where the kids could let off steam.
let off the leash, let [sb] off the leash, let [sb] off his/her leash v expr: figurative (release [sb] from restraint, control) (比喻)
SC 解开...的枷锁，解开...的束缚
SC 解放 jiě fàng
TC 解放
TC 解放
When they saw that he could handle the job, they let him off his leash and he quickly moved up to a higher position.