I let him tag along because he had not been too well recently.

我让他跟着走，因为他最近一直感到不太舒服。

《柯林斯英汉双解大词典》

He'd eat chocolate all day long if I let him.

我要是不拦着，他会整天不停地吃巧克力。

《牛津词典》

May I let him know who's calling?

我要让他知道是谁打来的？

youdao

Finally, I let him go to the examination to experience what I was sure would be his dismissal from school.

VOA: special.2009.01.03

Poor little Laura, my baby, to whom I had told everything about Dean, began almost to cry."Oh, we shouldn't let him go like this.What'll we do?"

可怜的小劳拉，我的宝贝，我曾经把狄恩的一切都告诉过她，这时她几乎要哭了：“噢，我们不能让他就这么走“

耶鲁公开课 - 1945年后的美国小说课程节选

I disagree that we should let him go.

我不赞成解雇他。

I agree实战 - SpeakingMax英语口语达人

So I let him get to the 'ask for money' part and then I shut the door on him.

CNN: SHARE THIS

When I see Chow Yun-fat, for example, I see Alain Delon, so I let him hold the gun the way Delon did.

CNN: The Next Mission

"I let him talk when he wants to, " she said.

CNN: An e-mail from Haiti, then minutes later, a nightmare