It's more than my job's worth to let you in without a ticket.

没有票就让你进去，我可能会丢饭碗的。

《牛津词典》

To let you in on a little secret, under the covers a business process actually implements a state machine.

先透露给您一个小秘密，业务流程实际上是实现一个状态机。

youdao

You have to let us struggle for ourselves, even if we must die in the process.

你得让我们自己去奋斗，即使在此过程中我们必须死亡。

《柯林斯英汉双解大词典》

In a poker game you do not want to let your opponents know if your cards are good or bad.

VOA: special.2009.11.22

So let's have a clicker question here on how many total pi bonds do you expect to see in benzene?

让我们来做个课堂习题,你们觉得苯环里有一共多少个π键？

麻省理工公开课 - 化学原理课程节选

Now let me just say in a technical way: if you decide to volunteer to nominate a novel, you'll get no extra credit.

从实际角度讲：,如果你自愿推荐一部小说，你不会得到额外的学分。

耶鲁公开课 - 1945年后的美国小说课程节选

And when Governor Romney had his chance to let you in on his secret, he did not offer a single new idea, just retreads of the same old policies that have been sticking it to the middle class for years.

WHITEHOUSE: Remarks by the President at Campaign Event

Now, here's a tip: When a politician tells you that he's going to tell you what he's going to do after the election, but he can't tell you now, it's not because the plan is so good that he doesn't want to let you in on it.

WHITEHOUSE: Remarks by the President at Ohio University, Athens, OH

You can let in who you want to let in.

NPR: Price Too High For Being World's Top Military Force?