self-a·buse
noun/ˌself əˈbjuːs/
/ˌself əˈbjuːs/
[uncountable]- behaviour by which a person does harm to himself or herself
自我伤害；自残；自虐 - (old-fashioned) masturbation (= the act of giving yourself sexual pleasure by rubbing your sexual organs)
手淫（=通过摩擦性器官给自己带来性快感的行为）