一诺千金

一诺千金:

Literally means:

promise is worth one thousand ounces of gold

Actually means:

be true to one's words

诺, a promise; Qian Jin refers to much money or high value.

This phrase means that one is true to his words and is trustworthy.

It is usually used to mean that one never fails to fulfill his promises. Commendatory.

诺，应允或许诺（即答应别人的话）。千金，泛指很多钱，价值很高。

一诺千金，形容说话算数，很讲信用。

多用来指答应了的事一定办到，决不信。具有褒义色彩。