在线词典言必信，行必果信：守信用；果：果断，坚决。说了就一定守信用，做事一定办到。拼音yán bì xìn，xíng bì guǒ解释信：守信用；果：果断，坚决。说了就一定守信用，做事一定办到。近义词言而有信、君子一言，驷马难追反义词背信弃义英文释义one must be a man of his word and resolute in his work (proverb)
