Tìm kiếm
Chọn ngôn ngữ của từ điển
ace in the hole
01
a secret resource, skill, etc. that a person can use to their advantage when the need arises
Dialect
American
thành ngữ
thân mật
Các ví dụ
She's keeping all the details of their unscrupulous business practices as an ace in the hole should they ever try to fire her.



























