固定搭配：
serious about
严肃；认真对待
serious damage
严重损害；严重损坏
serious illness
重大疾病
serious injury
重伤；严重损害
nothing serious
不严重；没什么大问题
You're joking. Are you serious?
你在开玩笑吧。你是认真的吗？
The consequences could be serious.
后果可能是严重的。
I regard this as a serious matter.
我认为这是一件重要的事情。
The strike caused serious disruptions.
罢工造成了严重的混乱。
Smoking is a serious danger to health.
吸烟严重危害健康。
