between

英[bɪ'twiːn] 美[bɪ'twin]

in confidence

咱们（或你我）私下说说

just between you and me, I don't think it was going to happen.
只是咱们私下说说，我认为这事不会发生的。

in the intervals between other actions

在间歇期间

In the strictest confidence.

你知我知，天知地知：表示非常信任

In an intermediate situation

在中间的状况

My roommates disagreed and I was caught in between.
我的室友不同意，我被夹在中间进退两难

During an intervening period; in the meantime

穿插着；同时：在其间的一段时期；同时

has written several books and teaches in between times.
在写书的同时也教书