I regard this as a serious matter.

我认为这是一件重要的事情。

《柯林斯英汉双解大词典》

Smoking is a serious danger to health.

吸烟严重危害健康。

《牛津词典》

Don't laugh, it's a serious suggestion.

别笑，这是一条严肃的建议。

《牛津词典》

Most scientists agree that climate change is a serious problem that requires the attention of people and governments around the world.

VOA: special.2009.06.03

It's contracting so the Fed is trying to prevent a serious recession by cutting interest rates; they've been cutting them rapidly.

它在减小,所以美联储正在试图阻止一个因为利率缩减,而产生的严重的经济衰退；,但是他们最近一直在降低利率。

耶鲁公开课 - 金融市场课程节选

In these parts of the Politics Aristotle offers a serious challenge to existing Greek traditions and patterns of political education.

在这部份的《政治学》,亚里士多德对,当时的希腊政治教育传统与模式,提出严肃的挑战。

耶鲁公开课 - 政治哲学导论课程节选

He'd led a serious effort to shut down banks suspected of money laundering and other crimes.

NPR: Killing of Top Banker Rocks Official Moscow

Like Dennis Masellis, Francis Vitale Jr. looked like a successful executive with a serious hobby.

FORBES: They've Gotta Have It

That makes it a serious threat to Apple, Microsoft and the rest of the non-Android smartphone players.

FORBES: Just What Did Google Buy?