1.
"What's wrong with you?Is it serious?"
“你害的什么病，严重不严重？”
2.
I hope it was not too serious.
希望您的病情并不严重。
3.
I was grateful that it was nothing serious.
我很厌幸那不严重。
4.
No. Luckily, he wasn't badly hurt.
不严重。很幸运，他伤得不重，
5.
To become less oppressive, troublesome, or severe.
变得缓和、不麻烦或不严重
6.
serious misconduct or serious breach of duty
严重不当行为或严重渎职行为
7.
fingers so badly frozen they had to be amputated; badly injured; a severely impaired heart; is gravely ill; was seriously ill.
冻伤太严重了的手指不得不切除；严重受伤；严重受损的心脏；病得很严重；病得很严重。
8.
I scratched it on the door. It isn't serious.
被门刮伤了。不太严重。
9.
The recession is easy.
(经济)衰退并不那么严重。
10.
children suffering from severe malnutrition
严重营养不良的儿童.
11.
She does not know the gravity of her illness.
她不知道自己病情严重。
12.
acute undernutrition (wasting)
严重营养不足（瘦弱）
13.
Don't trivialize the seriousness of the issue!
不要淡化问题的严重性。
14.
Most severe or unfavorable.
最严重的最严峻的或最不利的
15.
More severe or unfavorable.
更严重的更严峻的或更不利的
16.
very low birthweight infant
体重严重不足的初生婴儿
17.
They don't understand the seriousness [importance] of this question.
他们不了解这个问题的严重性[重要性]。
18.
And yet more than the pain, more than the nose dripping, he was bothered by the feeling of heaviness in his face.
不过，比疼痛更严重的，比流鼻涕更严重的，就是他面部感到沉重。