a person, especially one in a news organization, who tries to find out unpleasant information about people or organizations in order to make it public

He made a name for himself as a celebrity muckraker in this relatively quiet little city. 在这个相对安静的小城市，他以揭发他人丑闻而出名。

Muckrakers aren't likely to dredge secrets from his past. 那些专门揭发丑闻的人不太可能从他的过去中挖掘出秘密。