异性

• Pinyin: yì xìng
• Hanzi breakdown: 异 = 田 + 共 (field + together — different/other); 性 = 忄+ 生 (heart radical + to be born — innate nature, gender)

Meaning

The opposite sex; a person of a different gender. As an adjective: of the opposite sex.

Used in social, psychological, and medical contexts to refer to the other gender relative to oneself or a reference point. Key compounds: 异性朋友 (friend of the opposite sex), 异性吸引力 (attraction to the opposite sex). Contrasts with 同性 (same sex). In scientific writing, 异性 may appear in discussions of animal behaviour and reproduction.

Examples

1. 青春期的少年在与异性交往时往往感到局促不安，这是心理发育过程中十分常见的现象。 During puberty, teenagers often feel awkward and uneasy when interacting with the opposite sex; this is a very common part of psychological development.
2. 研究发现，工作场所中异性同事之间建立的深度友谊有助于提升团队的创新能力和协作效率。 Research shows that deep friendships between male and female colleagues in the workplace can help boost a team’s innovation and collaboration.
3. 她坦言，成长过程中家庭对异性交往的过度限制反而增加了她在人际关系方面的焦虑与困惑。 She admitted that, growing up, her family’s excessive restrictions on interacting with the opposite sex actually increased her anxiety and confusion about relationships.

Usage Guide

Context: psychology, sociology, relationships, medicine

Tone: neutral

Do Say

• 课程中，学习与异性建立健康、尊重、界限清晰的友谊很重要。(In the course, learning to build healthy, respectful, clearly bounded friendships with the opposite sex is important.)
• 最新研究表明，创意任务中，异性搭档的认知互补效应往往更显著。(Recent research shows that in creative tasks, the cognitive complementarity effect between opposite-sex partners is often more pronounced.)

Don't Say

• 我喜欢异性 — while grammatically acceptable, this phrasing sounds clinical; in casual conversation say 我喜欢男生 or 我喜欢女生 for natural expression

Origin & History

异 (different — 田 field + 共 together; different from each other) + 性 (nature/sex/gender — 忄heart radical + 生 to be born; innate nature, biological sex)

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal