be true to your word

• vt. 说到做到(说话算话)

be true to your word的用法和样例：

例句

用作及物动词 (vt.)

1. He said that he would be the equal of his word.
   他说他一定会说到做到。
2. He offered to help us and he didn't fall back.
   他主动提出帮助我们，并且说到做到。