1 [I,T] promise (to do sth);promise (sb) that... to say definitely that you will do or not do sth or that sth will happen 答应；允诺；承诺 · She promised (me) that she would write every week. 她（向我）保证每星期都会写信。She promised not to forget to write. 她答应过不会忘记写信。

2 [T] promise sth (to sb);promise sb sth to say definitely that you will give sth to sb 答应给予: Can you promise your support? 你可以答应支持我吗？My dad has promised me a bicycle. 父亲答应了给我买一辆自行车。You have to give him the money if you promised it to him. 如果你答应过要给他这笔钱，就得把钱给他。

3 [T] to show signs of sth, so that you expect it to happen 有（某事将会发生的）迹象；预示: It promises to be an exciting occasion. 看来这会是个令人兴奋的时刻。