o off离开,离去：He went off in a great hurry.他匆匆地离开.(演员)退场,下场：Hamlet goes off.哈姆雷特下场了.(疼痛)消失；(药物)失效；死亡：I've got rather a headache,but it will probably go off when I've...有灯灭了的意思吗有(水电等)被切断；(煤气等)用完：可以指灯灭了 去年一个中考题就是这个 忘记是哪题了不过