defamation       
noun [ U ]  formal uk/ˌdef.əˈmeɪ.ʃən/ us/ˌdef.əˈmeɪ.ʃən/
 诋毁、中伤、败坏他人名誉的行为
the action of damaging the reputation of a person or group by saying or writing bad things about them that are not true
  He is suing for defamation of character. 他正在就人格诽谤而提出诉讼。 
 a defamation lawsuit/action/case 诽谤诉讼/诽谤诉讼/诽谤案件 
 See: defame
 - More examples
 - Defamation law treats websites and their bulletin boards in the same way as a newspaper, holding a publisher liable for their content.
 - His lawyers filed four civil defamation cases against the company.
 - Three journalists were charged with criminal defamation.