1. 他脸上挂着笑容,但眼神依旧严肃
He was smiling, but his eyes retained a look of solemnity.

《牛津词典》

2. 安全问题受到极为严肃的对待。
Security matters are treated with the utmost seriousness.

《柯林斯英汉双解大词典》

3. 别乱开玩笑,这是个严肃的事。
Stop being facetious; this is serious.

《牛津词典》

4. 他们认识到需要严肃对待这个问题。
They recognized the need to take the problem seriously.

《牛津词典》

5. 恐怕我不是一个非常严肃的人。
I'm afraid I'm not a very serious person.

《牛津词典》

6. 他并非完全是一个非常严肃的人。
He's not really a very serious person.

《牛津词典》

7. “这可不好。”,他特别严肃地说。
"This is not good," he said with great seriousness.

《柯林斯英汉双解大词典》

8. 他那严肃的小脸绽开了笑容。
His solemn little face broke into smiles.

《柯林斯英汉双解大词典》

9. 只有一两起严肃的渎职指控。
There were only one or two serious allegations of malpractice.

《柯林斯英汉双解大词典》

10. 他在我眼里是个非常严肃但友好的人。
He struck me as a very serious but friendly person.

《柯林斯英汉双解大词典》

11. 朋友们站在床尾,表情严肃地看着她。
Friends stood at the foot of the bed, looking at her with serious faces.

《柯林斯英汉双解大词典》

12. 他说话的语气变得严肃起来。
His voice took on a more serious tone.

《牛津词典》

13. 别笑,这是一条严肃的建议。
Don't laugh, it's a serious suggestion.

《牛津词典》

14. 我们缔结了一项严肃的协定。
We entered into a solemn bond.

《牛津词典》

15. 该死,不要不当回事!这是很严肃的!
Don't be flippant, damn it! This is serious!

《柯林斯英汉双解大词典》

16. 别吊儿郎当的,该死!这是很严肃的。
Don't be flippant, damn it! This is serious.

《柯林斯英汉双解大词典》

17. 虐待妇女的问题需要严肃、小心地对待。
The abuse of women needs to be treated seriously and sensitively.

《柯林斯英汉双解大词典》

18. 他们非常严肃但又很有礼貌地与我谈话。
They spoke to me very seriously but politely.

《柯林斯英汉双解大词典》

19. 严肃点儿,这件事很重要。
Be serious for a moment; this is important.

《牛津词典》

20. 不幸的是,没有人严肃地看待我的意见。
Unfortunately, no one took my opinion seriously.

《柯林斯英汉双解大词典》

21. 她自以为是严肃的演员。
She fancies herself (as) a serious actress.

《牛津词典》

22. 她的表情显得严肃起来。
Her expression grew solemn.

《牛津词典》

23. 他是一个相当严肃的人。
He's quite a serious person.

《柯林斯英汉双解大词典》

24. 互致寒暄之后,他们便开始严肃的讨论了。
After exchanging the usual pleasantries, they got down to serious discussion.

《牛津词典》

25. “你呢?”她严肃地问。
"Did you?" she asked earnestly.

《柯林斯英汉双解大词典》

26. 合唱队严肃地走了过去。
The choir walked solemnly past.

《牛津词典》

27. 她的脸显得严肃起来。
Her face grew solemn.

《牛津词典》

28. 顷刻间,米克严肃的表情和蔼起来,咧嘴笑了。
All at once, Mick's serious expression softened into a grin.

《柯林斯英汉双解大词典》

29. 我们现在严肃多了,也现实多了。
We are now far more sober and realistic.

《柯林斯英汉双解大词典》

30. 他对美国的态度表达了严肃关注。
He expressed grave concern at American attitudes.

《柯林斯英汉双解大词典》