不由自主

النطق: bù yóu zì zhǔ المعنى الحرفي: Not by one's own control

الأصل والاستخدام

This idiom describes actions not (不) controlled (由自主) by one's own will. It captures involuntary responses where emotions or instincts override conscious control. The phrase appeared in texts describing overwhelming emotional states. It acknowledges that some responses transcend deliberate choice. Modern usage describes involuntary reactions - laughing, crying, or other behaviors that occur spontaneously without conscious decision.

أمثلة

الإنجليزية: "He couldn't help but smile when he saw her."

الصينية: 看到她，他不由自主地笑了。