Although he's ninety, his mental faculties remain unimpaired.

他虽年届九旬，但头脑仍然清晰。

《牛津词典》

There had been no indication of either breathlessness or any loss of mental faculties right until his death.

直到去世，他既没有出现呼吸困难也没有脑功能丧失的迹象。

《柯林斯英汉双解大词典》

Exercise of the mental faculties is as important as bodily excercise.

智能的锻炼同身体的运动同样重要。

《新英汉大辞典》

Somebody with a severe and profound loss of mental faculties-- the deficit will be shown correspondingly in her brain.

对于严重丧失心理官能的人来说,我们可以看到她在大脑相应部位的损伤

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Philosophers and psychologists knew for a long time that getting smacked in the head could change your mental faculties; that diseases like syphilis could make you deranged; that chemicals like caffeine and alcohol can affect how you think.

哲学家和心理学家在很久以前便知道,头部受到重创,会改变你的心理官能,像梅毒这样的疾病可以让你精神错乱,像咖啡因和酒精这样的化学药品,可以影响到你的思维

耶鲁公开课 - 心理学导论课程节选

Eventually, a doctor identified the problem as Alzheimer's disease, a slow deterioration of mental faculties.

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You can easily and inexpensively avoid guardianship or conservatorship proceedings by executing durable powers of attorney while you still have your mental faculties.

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In it, Peter Elbow encourages you to separate the writing process from the revising process as they require two entirely different mental faculties.

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