blow the gab on

• 告发；告密

blow the gab on的用法和样例：

例句

1. They denounced him to the police as a criminal.
   他们向警方告发他是罪犯。
2. He had promised not to tell on us.
   他曾答应不告发我们。
3. He has taken care of the girl who wanted to snitch.
   他已经干掉要告密的女孩了。
4. The police were given a tip-off.
   有人向警方告密。