不听老人言，吃亏在眼前

不听老人言，吃亏在眼前

bù tīng lǎo rén yán, chī kuī zài yǎn qián

Ignore your elders at your peril

Traditional:

不聽老人言，吃虧在眼前

我妈让我不要轻易相信别人，我不听，结果被人骗了，真是不听老人言,吃亏在眼前啊。

My mom told me not to easily trust others, but I didn't listen. As a result, I was deceived. Truly, not heeding the advice of the elderly leads to losses right before your eyes.