If you do, the teachers won't let you in.

如果你这样做，老师不会让你进来。

If you mention me, he will let you in.

如果你提到我，他会让你进去的。

You have wasted your time. I can't let you in.

你虚度了时光，我不能给你放行。

But I'm not allowed to let you in unannounced.

但我不能让你进入不被允许进入的地方。

Don't wear jeans , If you wear jeans, we won't let you in.

不要穿牛仔裤，如果你那样做，我们不会让你进去。

Don't wear jeans! If you wear jeans, we won't let you in.

不要穿牛仔裤！如果你穿牛仔裤，我们不会让你进来。

If you wears jeans to the party, the teachers won't let you in.

如果你穿牛仔裤去参加聚会，老师会不让你进去。

He does not let you in his intimate circle of friends.

他并不在他体内循环，让你的朋友。

Soc. I wonder the keeper of the prison would let you in.

我在想监牢的守卫怎会让你进来?

There's a little intercom arrangement so I can let you in .

因为这里有一个门禁，这样我可以让你进去。