/krɪˈmɪnəl dɪˌfəˈmeɪʃən/ – Phrase
Definition: hành vi phạm tội vu khống.
A more thorough explanation: the crime of damaging the reputation of a person or a group of people by saying (=criminal slander) or publishing (=criminal libel) bad things about them that are not true
Example: He is facing nine charges of criminal defamation after publishing allegations about the government’s record on human rights.