on somebody's own ground
成語所屬單字ground
on somebody's own ground — 慣用語
1. In an area where someone has a lot of power, knowledge, or experience.
1.慣用語
釋義
在自己擅長的領域
In an area where someone has a lot of power, knowledge, or experience.
例句
When debating politics, he is on his own ground.
She felt confident on her own ground during the interview.