When a language center of the brains is damaged, for example, by a stroke, linguistic capabilities are impaired in some way.

当大脑的语言中枢受损时，比如中风，语言能力就会在某种程度上受损。

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His health and vigour were unimpaired by a stroke.

中风并未损害他的健康和活力。

《柯林斯英汉双解大词典》

By a stroke of fortune he found work almost immediately.

他运气好，几乎立刻找到了工作。

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Doctor Yusuf said the single pill, taken once a day, could reduce the average person's risk of heart disease and stroke by about half.

VOA: special.2009.04.08

Now, figure in the fact that smoking is playing a role, physical activity is playing a role, still just changing fruit and vegetable consumption potentially could reduce heart disease worldwide by this much: stroke by 19% and some cancers by as much as 20%.

实际上吸烟和运动都对此有影响,即使将这些因素都考虑进去,仅仅改变水果和蔬菜的摄入量仍然能,在全球范围内减少这么多的心脏病得病率,中风减少19%而某些癌症减少达20%

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Those comments echo earlier assessments by analysts here in Seoul, who say Kim Jong Il's apparent stroke about a year ago challenged perceptions of his complete command of the North's government.

VOA: standard.2009.06.22

By a stroke of great fortune he ended up being transferred to the individual himself.

FORBES: The Case For 'Under Qualified' Employees: The 5 Best Reasons To Hire for Aptitude, Not Skills

The League, with its leader already much diminished by a stroke, is in disarray after this week's result.

ECONOMIST: Italy's referendum

He was paralysed by a stroke in 2005 and suffered from locked-in syndrome.

BBC: Tony Nicklinson