遵守诺言

• keep one's promise
• keep word
• kept word
• be true to one's word

例句

1. 他们结婚时，他答应她到巴黎度蜜月，她要求他遵守诺言。
   He promised her a honeymoon in Paris when they got married, and she held him to it.
2. 他们公司的董事长每次许诺必然会遵守诺言。
   The president of their company never makes a promise without intending to keep it.
3. 我会遵守诺言告诉他所有的事。
   I'll keep my word, and tell him everything.
4. 他们很清楚地知道他不会遵守诺言。
   They knew full well that he wouldn't keep his promise.
5. 你必须遵守诺言。
   You must keep your promise.