do somebody/something the world of good
US /duː ˈsʌm.bə.di ˈsʌm.θɪŋ ðə wɜːld əv ɡʊd/
UK /duː ˈsʌm.bə.di ˈsʌm.θɪŋ ðə wɜːld əv ɡʊd/

1.
对…大有裨益, 对…非常有好处
to be extremely beneficial or helpful to someone or something
:
•
A good night's sleep would do you the world of good.
好好睡一觉对你大有裨益。
•
Getting away for a few days would do her the world of good.
出去几天对她大有裨益。