If the old dog barks, he gives counsel.
例句：
1、我妈妈让我不要轻易相信别⼈，我不听，结果 被别⼈骗了，真是不听⽼⼈⾔，吃亏在眼前啊。My mother let me not believe others easily, but I won't listen to her, as a result I was cheated by others. This is “If the old dog barks, he gives counsel.”
2、王峰不顾⽗母的劝告，⼀意孤⾏。结果他的投资全部失败了，这不应验了：不听⽼⼈⾔，吃亏在眼前。Regardless of his parents' advice, Wang Feng went his own way. As a result his entire investment failed, which fulfilled “If the old dog barks, he gives counsel”.
3、俗话说的好：不听⽼⼈⾔，吃亏在眼前。
As the saying goes “If the old dog barks, he gives counsel”
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