Yellow streak
01
黄色い線, 臆病な性質
one's lack of courage to deal with painful or dangerous situations
Idiom
例
When faced with a dangerous task, he showed his yellow streak and refused to participate.
危険な任務に直面したとき、彼は 臆病さ を見せて参加を拒んだ。
黄色い線, 臆病な性質
Idiom
