传染

• ピンイン: chuán rǎn
• 漢字の分解: 传 = 亻 (person) + 专 (phonetic) = to transmit; 染 = 氵 (water) + 木 (wood) + 九 = to dye, stain

意味

感染する／伝染する；（比喩）感情などがうつる

Primarily used for disease transmission but can be extended metaphorically to emotions or behaviors that spread among people. 传染性 (infectiousness/contagiousness) and 传染源 (source of infection) are common medical terms.

例文

1. 流感病毒主要通过飞沫传染。
2. 他的乐观情绪传染给了周围的每一个人。
3. 这种病毒的传染性极强，需要高度警惕。

使い方ガイド

場面: medical, public health, figurative

トーン: neutral

正しい言い方

• 戴口罩可以有效防止病毒传染。(Wearing masks can effectively prevent virus transmission.)
• 恐慌情绪在人群中迅速传染开来。(Panic spread rapidly through the crowd.)

避ける言い方

• 他把知识传染给我 (For sharing knowledge, use 传授 or 教 — 传染 implies something spreading uncontrollably, often negative)

起源と歴史

Compound of 传 (to transmit, spread) and 染 (to dye, to contaminate). Together they describe the spreading and contaminating nature of infection.

文化的背景

世代: All ages

社会的背景: Universal