(I apologize if I forgot some, please let know if you know of others).

如果你知道的话，请告知我）。

youdao

Let me know if you have any problems.

你若有困难就告诉我。

《牛津词典》

Let me know if he bothers you again.

他要是再搅扰你，就告诉我。

《牛津词典》

Sergeant Perry Osburn put it this way: "We cannot let this make us afraid, you know what I'm saying?

VOA: special.2009.11.14

So if I call, let's , let's set up s to be, I don't know, some big long list.

那让我们来调用一次吧，让我们建立一个，怎么说。

麻省理工公开课 - 计算机科学及编程导论课程节选

To figure out even what this thing is, let alone how to use it properly. So, you know, I'm sympathetic.

就连认出这是什么东西（都很困难），更别说正确应用它了，所以我很同情这点。

经常犯的失误 - SpeakingMax英语口语达人

Please let me know A.S.A.P. as if I want to get a full refund back I have to let them know by the end of the week.

FORBES: Readers Say

Let them know. (Applause.) Let them know.

WHITEHOUSE: Remarks by the First Lady at a Campaign Event

But if anyone from either party has a better approach that will bring down premiums, bring down the deficit, cover the uninsured, strengthen Medicare for seniors, and stop insurance company abuses, let me know. (Applause.) Let me know.

WHITEHOUSE: The 2010 State of the Union Address