It can be very hard to think rationally when you're feeling so vulnerable and alone.

在你感到如此脆弱和孤单的时候很难理性地思考问题。

《柯林斯英汉双解大词典》

Under love, no one can think rationally.

在爱情之下，没有人可以理智的去思考。

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It takes over your thoughts and begins to affect your ability to think rationally.

这种想法会一直挥之不去，并开始影响你理性思考的能力。

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And there are many people in sort of common sense who might think "Gee, if only I could just use my rationality, think reasonably and rationally and not let my emotions guide my behavior I'd be much better off."

有许多有常识的人,也许会想,要是我能用我的理性，合理思考,不让情感指导行为,我会做得更好“

耶鲁公开课 - 心理学导论课程节选

Sometimes emotions move us to act before we even have a chance to think rationally about them.

FORBES: You Can Smell Other People's Emotions, and They're Contagious

Decision fatigue is a biological process that affects our ability to think rationally and make good decisions.

FORBES: Decision Fatigue: Why Willpower Isn't Always Enough

You lose all balance and ability to think rationally.

NEWYORKER: The Black Sites