chicken-hearted 软弱的；贪生怕死的；胆小的

【例句】
The soldiers proved themselves chicken-hearted and ran away.
士兵表现得贪生怕死，逃跑了。

I hope they don't account you chicken-hearted, lad?
但愿他们不把你看作胆小鬼吧，小伙子！