To flock to 常用来形容人们大批的涌进某处。

例句

Thousands of people flocked to the shopping centre when the summer sale started.

Youngsters flock to cinemas to watch the latest blockbuster action movies.

请注意

Birds of a feather flock together 的意思是 “物以类聚，人以群分”。

例句

Mark's friends are all very wealthy, just like he is. Birds of a feather flock together.