
好词典

源自拉丁语 'involuntarius'(非自愿的),由否定前缀 'in-' 和 'voluntarius'(自愿的)组成,后加副词后缀 '-ly' 构成。
❶ 指动作或行为并非出于自愿或有意,而是无意识地或被迫地发生的。常用于描述生理反应、意外动作或被强迫的情况。
“She blinked involuntarily when the bright light suddenly turned on.”
(当强光突然亮起时,她不自觉地眨了眨眼。)
“His hand trembled involuntarily as he tried to hold the glass.”
(他试图握住玻璃杯时,手不自主地颤抖起来。)
act involuntarily — 指无意识地做出某个动作,通常是由于本能反应或外部刺激导致,而非主观意愿。
“Patients with this condition may act involuntarily during sleep.”
(患有这种病症的病人在睡眠中可能会无意识地做出动作。)