1) I promise you that I'll never be late again. 我答应你，我不会再迟到了。
2) I assure you. 我向你保证。
3) Have my word. 我保证。
4) I assure you that you'll pass next time. 我保证你下次会通过的。
5) Let me assure you that your service is quite satisfying. 我向你保证，你的服务很让人满意。
6) I'll keep my promise that you can go with me next time. 我会遵守承诺，下次你可以跟我去。
7) She has made a promise that she'll bring us some of her pictures.
她已经答应给我们带一些她的照片。
8) She gave a promise that the product can be returned back if it is not good enough.
她保证，如果产品不够好，可以退回。
9) I won't break my promise. 我不会违背我的诺言的。
10) My parents promised him to buy him a bike. 我的父母答应给他买辆单车。
