They always appear to be busy, moving around their homes,or hives.

VOA: special.2009.06.28

because it's got... It's really touristy. It's really busy. There's always things going on.

因为它变得……那里的游客真的很多。那里确实很热闹。经常举办活动。

伦敦的约会路线 - SpeakingMax英语口语达人

A lot of politicians go there, so it's always very crowded and busy.

很多政客去那里，所以那里总是很拥挤、很繁忙。

喜欢中国菜吗？ - SpeakingMax英语口语达人