tip sb off

• (向某人)泄露消息； 告诫； (非正式)杀死

tip sb off的用法和样例：

例句

1. The doctor has told me to keep off cigarettes and alcohol.
   医生告诫我要戒烟酒。
2. He realized that his doctor was warning him off drink.
   他意识到医生在告诫他戒酒。
3. Antibiotics should kill off the bacteria.
   抗生素应能杀死这种细菌。
4. Everyone of them got bumped off.
   他们每个人都被杀死了。