彼心無之口少而生行。

zap2 hia1 mun1 a iam1 hue1 ua ian1 mok1.

He casually ate a few bites and just left. / 他随便吃了几口就走了。

彼心善之口少而生行。

zap2 hia1 kait a iam1 hue1 ua ian1 mok1.

He happily ate a few bites and just left. / 他高兴地吃了几口就走了。