Do you think Matt should be let in on Mystic Falls' secrets?

你认为该让Matt知道神秘瀑布镇的秘密吗？

youdao

Or perhaps your daughter felt you might tell other people outside the immediate family whom she was not yet prepared to let in on her secret.

又或者也许你的女儿认为你会告诉其他人这件事，而她还没有做好准备让她的秘密曝光。

youdao

Are you going to let them in on your plans?

你是不是打算让他们知道你的计划呀？

《牛津词典》

"Let me get back to you on that. Oh,oh,oh -- in college, the boyfriend who absolutely forgot Valentine's Day.

VOA: special.2010.02.08

And here I want to look at page let's see--page 79, actually first on 47, just in passing quickly.

让我们跳到第七十九页,在七十九页，同学加快动作。

耶鲁公开课 - 1945年后的美国小说课程节选

In a situation where, let's say, female genital cutting is going on and some people perpetuate on theological grounds.

比如说，女性割礼,这种仪式仍在进行,有些人一味地强调神学的地位。

普林斯顿公开课 - 人性课程节选

Moreover, the public are also going to be let in on the law-making process.

ECONOMIST: Off with their robes

Only a handful of people were let in on the collusion.

ECONOMIST: The Suez crisis

He is the creator of Ted, a profane stuffed bear who, during his appearance as an Oscars presenter, begged to be let in on the post-ceremony celebrity orgies he had heard so much about.

CNN: Sorry, Seth MacFarlane, but not everybody loved you