1.let alone 不打擾,不驚動(dòng)，更別提
例句：Clinically depressed people often can't get out of bed, let alone command an army.
臨床的消沉癥患者經(jīng)常不能離開(kāi)床并且可以單獨(dú)指揮一支軍隊(duì)。
2.let go 放，釋放，松手，發(fā)射，放棄
例句：How wonderful to be able to let go and smile again, long before you are dying.
能讓你走和再次微笑是多么美妙的事情啊，這是你臨死之前渴望的。
3.let off 排放(液體等），放過(guò)，寬恕
例句：It would let off the hook thousands of people who have used UBS to avoid billions in taxes.
這樣將會(huì)讓成千上萬(wàn)的使用過(guò)瑞銀的人有機(jī)會(huì)逃避數(shù)十億的稅收。
4.let up 停止，暫停，放松,減弱,減輕，變得更寬大
例句：he Chinese, however, did not let up their barrage of public criticisms.
然而中國(guó)并未因此停止在公共場(chǎng)合的指責(zé)。
5.let out 放走，釋放，泄露，使知道
例句：He was let out of prison.
他被釋放出獄。
6.let through 準(zhǔn)許…通過(guò)
例句：A number of mistakes in the proofs were let through.
在這些證據(jù)中有許多錯(cuò)誤之處都放過(guò)了。