/ˈtɪpɪŋ/ – noun
Definition: Hành vi trả thêm tiền thưởng cho dịch vụ tốt.
A more thorough explanation: 1. if you tip the police off you give them information to help in preventing or solving a crime
2. if you if you tip an investor off you give them give important, non-public information about a share
3. to give an extra payment in addition to a required payment, usually to express appreciation for service
Example: 1. The suspect tipped police off about the location of the body.
2. Insider trading includes tipping others when you have any sort of nonpublic information.
3. How much should you tip a waiter, taxi driver or hairdresser?