hái / zi / men / zài / jié / rì / lǐ / jìn / qíng / wán / shuǎ / liǎn / shàng / dōu / dài / zhe / xīn / yuè / de / xiào / róng

孩子们在节日里尽情玩耍，脸上都带着欣悦的笑容。

The children played freely during the festival, their faces filled with happy smiles.