他的表情非常庄重。
tāde biǎoqíng fēicháng zhuāngzhòng 。
His expression is very solemn.
在庄重的场合，穿正式的衣服是很重要的。
zài zhuāngzhòng de chǎnghé ， chuān zhèngshì de yīfú shì hěn zhòngyào de 。
It is important to wear formal clothes at solemn occasions.
他的庄重态度让大家感到安心。
tāde zhuāngzhòng tàidù ràng dàjiā gǎndào ānxīn 。
His dignified attitude made everyone feel at ease.