Hold on and don't let go until I say so.

握紧，我让你松手时再松开。

《牛津词典》

But, in the name of God, tear up the letter I wrote you and don't let me go away tomorrow.

但是看在上天的份上，把我写给你的信撕掉吧，明天别让我走，否则我要死的。

youdao

But sometimes you just let yourself go, and I don't know where it's coming from.

但是有时你只能让自己继续下去，而我不知道灵感是打哪儿来的。

youdao

Why don't we go ahead and take a 5-minute break and I'll let this one run to completion.

下面我们先休息5分钟,等它们执行完毕。

哈佛公开课 - 计算机科学课程节选

"I don't know whether they'll let him go or what the personal terms would be and whether I can afford to bring him in, " Jefferies told BBC Scotland.

BBC: Jefferies undecided on Parker bid

So they immediately put us in the basement for the night, and I don't know if they intended after that to let us free or to interrogate us somewhat and then let us go or what they intended.

CNN: Transcript of John Walker interview