At the first sign of trouble, the crowd melted away.
人群一看有麻烦，便渐渐散了。
An excited crowd of people gathered around her.
一群激动的人聚集在她周围。
She let herself be swept along by the crowd.
她任由自己被人流挟裹着前行。
She's quite happy to follow the crowd.
她就愿意随大溜。
I don't know why you bother with that crowd.
我弄不懂你为什么和那伙人浪费时间。