It causes blindness or serious loss of vision.

这会引起失明或严重的视力衰退。

《柯林斯英汉双解大词典》

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Their electrical fury inflicts death or serious injury on around 500 people each year in the United States alone.

仅在美国，每年就有大约500人因电击而死亡或严重受伤。

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At different times, the effects of lupus can be either mild or serious.

VOA: special.2010.06.15

However, if you do happen to be an English or a literature major or someone who's just very serious about reading at that level, you will find plenty to chew on here.

然而，如果你刚好主修英语或是文学,或是任何以主修的水平很认真阅读的人，你将会在这里发现很多值得咀嚼的东西。

耶鲁公开课 - 1945年后的美国小说课程节选

The harm shouldn't be so serious that it elicits strong negative emotions like fear, grief or pity.

但这种伤害不会很严重,不会造成消极情绪，如恐惧，悲伤或怜悯。

耶鲁公开课 - 心理学导论课程节选

It's not difficult to imagine a future in which cyber attacks become more frequent or serious.

CNN: Cyber arms control? Forget about it

Shortly thereafter, the plane landed at a military base without further mishap or serious injury.

ECONOMIST: Aircraft fatigue

Of all the CO incidents recorded, none involving an alarm resulted in a fatality or serious injury.

BBC: Warning over rise in carbon monoxide fatalities