公公 接 小李 放学 回家 , 一路上 爷儿俩 有说有笑 , 十分 开心 。
Gōnggōng jiē xiǎo lǐ fàngxué huí jiā, yī lùshàng yé er liǎ yǒu shuō yǒu xiào, shífēn kāixīn.
The father-in-law took Xiao Li out of school and went home. On the way, the two of them were talking and laughing, very happy.