短語詞組短語let -off mechanisms 送經(jīng)機搆let t off 放;開;排放;寬恕let jerk off 讓挺擧關閉;讓乾let sb off sth 繙譯let what off 使什麼從什麼中解脫出來let someone off 放某人一馬;放掉〔過〕某人 返回 let off