理性

りせい

reason, sense

JLPT N1

Character Breakdown

Understanding 理性 (lǐxìng)

理性 refers to the capacity for rational thought and logical reasoning. It contrasts with emotional or impulsive reactions and is often emphasized in contexts requiring clear judgment or decision-making.

Usage in Conversation

Speakers use 理性 to highlight the importance of thinking clearly and objectively, especially when emotions might cloud judgment. It often appears in advice or reflections about behavior, such as "保持理性" (maintain rationality).

Common Collocations

  • 保持理性: to maintain rationality, used when encouraging calm and logical thinking.
  • 理性思考: rational thinking, emphasizing a thoughtful approach.
  • 失去理性: to lose rationality, describing someone acting irrationally or emotionally.

Nuances and Tips

理性 is a formal term often used in written and spoken Mandarin when discussing psychology, decision-making, or behavior. It is less common in casual speech but important in academic or serious contexts. Avoid confusing 理性 with 感性 (gǎnxìng), which means emotional or sensibility; the two represent opposite modes of thinking.

Understanding 理性 helps learners express ideas about reason and logic clearly and appropriately in Mandarin.

Example Sentences

When making decisions, we should stay rational and not be swayed by

Rational thinking helps us analyze problems and find the best solutions.

Although he was emotional, he still maintained rationality.