今日短语
如果说某人 has a yellow streak, 那意思就是此人比较胆怯、不勇敢。
例句
We went rock climbing at the weekend. I loved it, but my friend refused to try it. He’s got a real yellow streak.
The public accused the government minister of having a yellow streak after he refused to answer some difficult questions.
请注意
如果一个人 has a mean streak, 那此人会经常做出卑劣、尖酸刻薄的事情。
My boss won't give me a pay rise - he's got a real mean streak.