never look a gift horse in the mouth
不要挑剔别人送的礼物
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Never look a gift horse in the mouth.
人家送你马，切莫看口齿。
youdao
It was one of mother's maxims never to look a gift horse in the mouth.
母亲的箴言之一是：对于收到的礼物绝不要挑毛病。
It was one of father's maxims never to look a gift-horse in the mouth.
父亲的箴言之一是决不对收到的礼物挑毛病。
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