我行我素

面对长辈们的善意提醒，他却显得不以为然，依然我行我素。

miàn duì zhǎng bèi men de shàn yì tí xǐng, tā què xiǎn de bù yǐ wéi rán, yī rán wǒ xíng wǒ sù.

Faced with the kind reminders from his elders, he seemed not to take it seriously and still went his own way.

老师三番五次地提醒他上课要专心听讲，但他依然我行我素。

lǎo shī sān fān wǔ cì dì tí xǐng tā shàng kè yào zhuān xīn tīng jiǎng, dàn tā yī rán wǒ xíng wǒ sù.

The teacher reminded him over and over again to pay attention in class, but he still went his own way.