信服

bìng bù wán quán xìn fú

并不完全信服

be not totally convinced

tā de huà lìng rén xìn fú

他的话令人信服。

His words carried conviction.

rú guǒ tā méi néng shǐ tā men xìn fú zhè dào bù shi yóu yú nǔ lì bù gòu

如果他没能使他们信服，这倒不是由于努力不够。

If he doesn't manage to convince them, it won't be for want of trying.

wǒ bù wán quán xìn fú zhè yī lùn diǎn

我不完全信服这一论点。

I am not altogether convinced by this argument.