coward

/kaʊərd/

a person who shows fear or timidity

中文释义：懦夫；胆小鬼

He was called a coward for refusing to fight in the war.

他因拒绝参战而被称作懦夫。

Only a coward would abandon his friends in a dangerous situation.

只有在危险情况下抛弃朋友的人才是懦夫。