n.懦弱

I've been accused of many things in my life, but never of cowardice. 我一生中受过种种指责，但从来没有人说我怯懦。

He lost everything because of his cowardice. 他因为怯懦而失去了一切。

He was disgusted at your cowardice. 他讨厌你的懦弱。

His cowardice in face of the enemy was contemptible. 他在敌人面前胆小如鼠，真是可鄙。