Crime is an increasingly serious problem in Russian society.

犯罪是俄罗斯社会一个日益严重的问题。

《柯林斯英汉双解大词典》

As you rightly say, we have a serious problem.

你说得对，我们有严重困难。

《牛津词典》

youdao

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

And off he goes, and he sulks in his tent for the next nine books, and this turns out to be a serious problem for them.

然后他真就走了,他回到自己的帐篷收拾东西,他这一走 问题就大了

耶鲁公开课 - 古希腊历史简介课程节选

In many ways for Aristotle as it is for every student of politics the most serious the most difficult issue one confronts is the problem of faction.

从很多方面看来，无论是对亚里士多德,还是每位政治系的同学而言,最令人最感严肃,与严重的问题,是派系的问题。

耶鲁公开课 - 政治哲学导论课程节选

This presents us with a serious problem that deserves serious consideration from all sides of the political equation.

FORBES: Huckabee Says No To Insurance For People With Pre-Existing Conditions

Therefore the availability of official documentation for sale to the highest bidder is a serious problem and deserves serious attention.

CENTERFORSECURITYPOLICY: Center For Security Policy

This creates a problem more serious than the one it purports to solve.

ECONOMIST: And it finally came to tears