in confidence
咱們（或你我）私下說說
just between you and me, I don't think it was going to happen.
只是咱們私下說說，我認(rèn)為這事不會(huì)發(fā)生的。
in the intervals between other actions
在間歇期間
In the strictest confidence.
你知我知，天知地知：表示非常信任
In an intermediate situation
在中間的狀況
My roommates disagreed and I was caught in between.
我的室友不同意，我被夾在中間進(jìn)退兩難
During an intervening period; in the meantime
穿插著；同時(shí)：在其間的一段時(shí)期；同時(shí)
has written several books and teaches in between times.
在寫書的同時(shí)也教書