it is someone's custom to
成語所屬單字custom
it is someone's custom to — 慣用語
1. a fixed expression used to describe what a person regularly does as a matter of
1.慣用語
釋義
某人習慣於……
a fixed expression used to describe what a person regularly does as a matter of personal routine or tradition.
例句
It is Talia's custom to light a candle every evening before she starts cooking dinner.
As was his custom, Walid stopped at the corner café for an espresso on his way to work.