report back的用法和樣例：
例句
- It is time to report back for work.
是回去報到上班的時候了。 - He will report back here as soon as he arrives.
他一到就會來這裡彙報的。 - Go and find out the truth to report back quickly.
立刻查明事實真相回來彙報。 - He was requested to report back to the committee about/on the complaint.
委員會要求他對投訴事件做出調查報告。
