At the first sign of trouble, the crowd melted away.
人群一看有麻煩，便漸漸散了。
An excited crowd of people gathered around her.
一群激動的人聚集在她周圍。
She let herself be swept along by the crowd.
她任由自己被人流挾裹著前行。
She's quite happy to follow the crowd.
她就愿意隨大溜。
I don't know why you bother with that crowd.
我弄不懂你為什么和那伙人浪費時間。