请帮忙翻译一句谚语,急用!When a father gives to his son,they both laugh.When a son gives a
问题描述：
请帮忙翻译一句谚语,急用!When a father gives to his son,they both laugh.When a son gives a
答
父为子付出,双方皆喜.子为父付出,双方皆泣.
可能前一句表示儿子还小
后来父亲老了,儿子开始尽孝心,感动和感伤吧.