不由自主

• 拼音: bù yóu zì zhǔ
• 汉字拆解: 不 = not; 由 = 田 (field) + 丨, meaning from or due to; 自 = self; 主 = 王 (king) + 丶, meaning master or control

含义

Involuntarily; can't help oneself; instinctively. Acting without conscious control, driven by emotion or reflex.

Often describes physical reactions (crying, laughing, shivering) or emotional responses that happen automatically. Emphasizes the lack of deliberate choice. Common in describing overwhelming emotions or instinctive behaviors.

例句

1. 听到那首歌，她不由自主地想起了去世的母亲。
2. 看到搞笑视频，他不由自主地笑出声来。
3. 走进老房子的那一刻，往事不由自主地涌上心头。

用法指南

语境: emotions, reactions, instinct

语气: descriptive

正确说法

• 她不由自主地流下了眼泪。(She couldn't help but shed tears.)
• 我不由自主地被吸引了。(I was involuntarily drawn in.)

错误说法

• 我不由自主地决定买这个。(Decisions are deliberate — 不由自主 is for uncontrollable reactions, not choices)

起源与历史

不由 (not from) + 自主 (self-control). Literally 'not from one's own control,' indicating involuntary action.

文化背景

世代: All ages

社会背景: Universal