informant
n. 提供消息的人; 告密者; 被调查者; 报告者
An informant is someone who gives another person a piece of information.
An informant is the same as an informer .
1. a person who supplies information
2. someone who sees an event and reports what happened
The journalist did not want to reveal the identity of his informant.
那个新闻工作者不想透露消息提供人的身份.
The informant said the Gestapo wasn't satisfied with extracting information by torture.
“密告者”说盖世太保不满意仅用酷刑来榨取信息.
On April 28, an informant center against economic crimes was founded in Guangxi.
4月28日, 广西成立了“经济犯罪举报中心”.
Unfortunately, my informant is no longer among the living.
不幸的是, 我的线人遭遇了不幸.
They suspected that he was the informant.
他们怀疑他是告密者.