Informant
01
线人, 告密者
someone who knows about an event and is ready to share this information
02
线人, 告密者
one that secretly provides information about something or someone for the police or investigators
例子
The police relied on an informant to crack the major drug case.
警方依靠一名线人破获了这起重大毒品案。
An informant provided crucial details that led to the arrest of the suspects.
一名线人提供了导致嫌疑人被捕的关键细节。
