用法：
promise sth to sb 答應(yīng)某事對(duì)某人
promise sb sth 答應(yīng)某人某事
promise to do sth 答應(yīng)做某事
make a promise 許諾
keep a promise 遵守諾言
promise例句
The post office has promised to resume first class mail delivery to the area on Friday
郵局承諾于星期五恢復(fù)對(duì)這個(gè)地區(qū)第一類(lèi)郵件的遞送。
In 1920 the great powers promised them an independent state
1920年，列強(qiáng)承諾讓他們成為一個(gè)獨(dú)立的國(guó)家。
If you make a promise, you should keep it
如果做出了承諾，就應(yīng)該遵守。