promise 即可当动词,也可当名词
当动词时:promise to do 答应做某事
promise sb to do答应某人做某事
promise sb sth = promise sth to sb答应某人某事
当名词时:make one's promise许诺
keep one's promise遵守诺言
break one's promise食言, 违背诺言
carry out one's promise 履行诺言
promise就是承诺、给人以希望的意思,没什么固定搭配。基本上这个动词后面都是加sb。
promise oneself是指望的意思