他试图反驳对方的观点。

tā shìtú fǎnbó duìfāng de guāndiǎn.

He tried to refute the other person's point of view.

我们需要准备一些事实来反驳。

wǒmen xūyào zhǔnbèi yīxiē shìshí lái fǎnbó.

We need to prepare some facts to counter.

尽管他尝试反驳，但没能说服人。

jǐnguǎn tā chángshì fǎnbó, dàn méi néng shuōfú rén.

Despite his attempts to counter, he couldn't convince people.