很严肃

你就认真看片这事很严肃…

Just focus on watching the movie—this is serious…

— 大病 (2017)

你看来很严肃，妈妈

You look very serious, Mom.

— 蒲公英 (1985)

脸色很严肃

He looks very serious.

— 四百击 (1959)

如果你要谈一些很严肃的东西

If you want to talk about something very serious

— 甜蜜的生活 (1960)

我很严肃的跟你说我没在开玩笑

I’m telling you seriously, I’m not joking.

— 美人鱼 (2016)