nǎi / nai / kàn / dào / hái / zi / men / huí / jiā / liǎn / shàng / lì / kè / lù / chū / xǐ / yíng / yíng / de / xiào / róng

奶奶看到孩子们回家，脸上立刻露出喜盈盈的笑容。

When Grandma saw the children come home, a joyful smile immediately appeared on her face.