mental cruelty
noun [ U ] uk/ˌmen.təl ˈkruː.əl.ti/ us/ˌmen.t̬əl ˈkruː.əl.t̬i/
精神虐待
behaviour that makes another person suffer emotionally but does not involve physical violence
She divorced her husband on the grounds of mental cruelty. 她以受精神虐待为由与丈夫离了婚。