名词 “promise”
 单数promise,复数promises或不可数
- 承诺She gave her friend a promise to keep the secret safe. 
- 前途(希望)Despite his young age, his skill with the violin showed great promise. 
- 承诺对象(在计算机编程中指代将来操作的结果或成果的对象)Once the data is fetched, the promise will resolve with the information we need. 
动词 “promise”
 不定式 promise; 三单 promises; 过式 promised; 过分 promised; 动名 promising
- 保证She promised to take care of her little brother while their parents were out. 
- 显示(指某个事件或状况可能发生)The blooming flowers in the garden promise a beautiful spring season.