Yellow streak
01
胆小, 怯懦
one's lack of courage to deal with painful or dangerous situations
Idiom
例子
Do n't count on him to stand up for you; he has a yellow streak and avoids confrontation.
别指望他会为你站出来；他有懦弱的一面，而且避免对抗。
His yellow streak prevents him from taking risks or trying new experiences.
他的胆小阻止他冒险或尝试新的体验。
