场面 很严肃 用英语，急，高分！

Serious scenes

It was a sacred occasion.

it's serious situation.

哪种场面啊？
如果是某种公开场合很严肃，很庄重，the ceremony is/was very solemn.
若是某个局面或场面的氛围很严肃，有点尴尬或紧张，比如双方谈判或争吵之类的，the scene is/was very serious.