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.
對…大有裨益, 對…非常有好處
to be extremely beneficial or helpful to someone or something
:
•
A good night's sleep would do you the world of good.
好好睡一覺對你大有裨益。
•
Getting away for a few days would do her the world of good.
出去幾天對她大有裨益。