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》

On no account can we shut our eyes to the increasingly serious environmental problems.

我们绝不能对越发严重的环境问题置之不理。

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Air pollution is becoming increasingly serious, so we must take measures to control it.

空气污染越来越严重，所以我们必须采取措施加以控制。

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On the the 40th anniversary of Earth Day, this warming planet we live on is posing serious new challenges to human civilization: increasingly severe droughts, floods,and storms across the globe, and slowly rising ocean levels.

VOA: standard.2010.04.21

The report also concluded that China is facing increasingly serious threats from overseas cyberattacks.

WSJ: China Alleges Cyberattacks Originated in U.S.

But competitor Apple is also increasingly serious about gaming for its iPhone, iPod touch and iPad devices.

FORBES: Windows Phone 7's Success May Hinge On Games

China, is becoming increasingly serious, and will push many of the poorest countries into an even deeper hole.

FORBES: Conservation International: Stemming the Tide of Environmental Crises, Part One