dì / di / xiǎo / shí / hou / zhǎng / de / féi / dūn / dūn / de / liǎn / shàng / zǒng / shì / dài / zhe / xiào

弟弟小时候长得肥墩墩的，脸上总是带着笑。

When my younger brother was little, he was chubby and always had a smile on his face.