put the finger on

• vt. 告发(指出)

put the finger on的用法和样例：

例句

用作及物动词 (vt.)

1. Someone put the finger on the leader of the gang.
   有人告发了那帮歹徒的头目。
2. They denounced him to the police as a criminal.
   他们向警方告发他是罪犯。