/wɔrn/ – verb
Definition: Cảnh báo.
A more thorough explanation: 1. to tell someone about a possible risk, harm, danger or unpleasant situation
2,to threaten someone, a business entity or an institution with punishment for a wrongful action
Example: 1. I have warned you against this course of action.
2. A High Court judge has warned banks not to behave unreasonably when customers sue for unlawful charges.