do somebody good
US /duː ˈsʌm.bə.di ɡʊd/
UK /duː ˈsʌm.bə.di ɡʊd/

1.
对某人有好处, 对某人有益
to be beneficial or helpful to someone
:
•
A good night's sleep will do you good.
睡个好觉对你有好处。
•
Getting out of the city for a while would really do him good.
暂时离开城市对他真的有好处。