undercover
undercover /ˌʌndə(ɹ)ˈkʌvə(ɹ)/ nghĩa là người hoạt động bí mật
Các nghĩa
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người hoạt động bí mật
A person who works undercover.
She's an undercover police officer.
I can't believe Tom was an undercover cop.
He was caught by an undercover police officer.
Dạng khác
- undercovers plural