promise用法：promise sth to sb 向某人许诺某事，promise sb sth 答应某人某事，promise to do sth 答应做某事，make a promise 许诺等。
1、Promise有哪些用法
释义：
vt.&vi.允诺、答应；有…希望、预示
n.承诺, 诺言；希望，前途；获得成功的迹象；吉兆、迹象
vt.许诺、承诺、保证；使很可能、预示
用法：
promise sth to sb 答应某事对某人
promise sb sth 答应某人某事
promise to do sth 答应做某事
make a promise 许诺
keep a promise 遵守诺言
2、promise例句
The post office has promised to resume first class mail delivery to the area on Friday
邮局承诺于星期五恢复对这个地区第一类邮件的递送。
In 1920 the great powers promised them an independent state
1920年，列强承诺让他们成为一个独立的国家。
If you make a promise, you should keep it
如果做出了承诺，就应该遵守。
While it will be fun, the seminar also promises to be most instructive.
这次的研讨会不仅会有趣，而且有可能会颇具启发意义。
The boy first showed promise as an athlete in grade school.
这个男孩在上小学的时候就初次显示出成为运动员的潜力。
He had promised that the rich and privileged would no longer get preferential treatment
他已经保证富人和特权阶层不会再得到优惠待遇。
Promise me you will not waste your time
答应我，不要浪费自己的时间。
We'll be back next year, he promised
“我们明年会回来的，”他承诺道。