Kàn / dào / hái / zi / men / xiě / gěi / fù / mǔ / de / xìn / lǎo / shī / gǎn / dào / yí / zhèn / bí / suān

看到孩子们写给父母的信，老师感到一阵鼻酸。

The teacher felt a lump in their throat upon seeing the children's letters to their parents.