nerveless
adj. [临床] 无力的；松懈的
例句
She is a nerveless rider.
她是一位勇敢的骑手。
《牛津词典》
The knife fell from her nerveless fingers.
刀从她无力的手里落下。
The knife fell from his nerveless hand.
那把刀从他无力的手中落下。
