●ˌhave sth ˈon sb/sth ( have ˌgot sth ˈon sb/sth) (informal) (not used in the progressive tenses不用于进行时) to know sth bad about sb/sth that can be used against them/it抓有…的把柄;掌握…的证据◆The police had nothing on him (= no evidence that he had committed a crime). 警方没掌握他什么证据。OBJsomething, nothing[v + n/pron + prep]