The equivalent English idiom for "君子一言驷马难追" is "a gentleman's word is as good as his bond." This phrase emphasizes the importance of trust and integrity in keeping one's promises. It implies that once a gentleman gives his word, it is difficult to go back on it. In other words, a trustworthy person's commitment is valued and should not be taken lightly. This idiom suggests the high moral character and reliability of a true gentleman. The use of the "
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