man of his word
说到做到的人
口语·称赞某人守信
英文释义
someone who keeps their promises or is trustworthy
例句
Don't worry, John is a man of his word—he'll pay you back by Friday.
典故来源
源自16世纪，'word'指承诺，'man of his word'字面意思是言行一致的人，强调诚信。