【give back】
⇒　歸還；回饋；恢復

【Definition定義】
to return something to the person who gave it to you, to restore; to reflect
將某物歸還給你的人或恢復、反射

【Examples例句】

Has she given you those books back yet?
她把那些書還給你了嗎？

Paul wants to give back to his local community if he ever gets the chance.
如果有機會，保羅希望回饋當地社區。

Living here has given me back my health.
在此地的生活使我恢復了健康。

The cave gives back echoes.
這個山洞把回音傳回來。