单一

• Pinyin: dān yī
• Hanzi breakdown: 单 = simplified from 單, originally depicting a forked hunting weapon; 一 = one horizontal stroke

Meaning

Single; unitary; monotonous. Having only one type, lacking variety or diversity.

Often used to describe something that lacks diversity or is limited to just one kind. Can have neutral or slightly negative connotations depending on context. Common in discussions about diet, economy, methods, or sources.

Examples

1. 过于单一的饮食结构对健康不利，应该多吃各种蔬菜水果。 An overly monotonous diet structure is bad for health — you should eat various vegetables and fruits.
2. 这个国家的经济结构太单一，主要依赖石油出口。 This country's economic structure is too singular, mainly relying on oil exports.
3. 公司的产品线比较单一，需要开发更多的新产品。 The company's product line is relatively limited and needs to develop more new products.

Usage Guide

Context: analysis, business, health

Tone: descriptive

Do Say

• 收入来源不能太单一。(Income sources shouldn't be too singular.)
• 这种方法太单一了。(This method is too monotonous.)

Don't Say

• '单一'暗示缺乏多样性——如果想表达专注或专一，用'专注'或'专一'更合适 (单一 implies lack of diversity — to express focus or dedication, 专注 or 专一 is more appropriate)

Origin & History

Compound of 单 (single, alone) + 一 (one), emphasizing the idea of being just one type.

Cultural Context

Generation: All ages

Social background: Universal