1 busy (at/with sth);busy (doing sth) having a lot of work or tasks to do; not free; working on sth 忙碌；忙着做某事: Mr Khan is busy until 4 o'clock but he could see you after that. 卡恩先生很忙，但4点钟后有空跟您见面。Don't disturb him. He's busy. 他忙着呢，不要烦他了。She's busy with her preparations for the party. 她在忙着做聚会的准备工作。We're busy decorating the spare room before our visitors arrive. 我们趁宾客未到，便忙上忙下地把客房布置一番。

2 (used about a period of time) full of activity and things to do （指一段时间）繁忙: I've had rather a busy week. 我忙了一周。

3 (used about a place) full of people, movement and activity （指地方）熙来攘往: The town centre was so busy that you could hardly move. 镇中心车水马龙，挤得人寸步难行。

4 (especially US 尤为美) (used about a telephone) being used （指电话）占线: The line's busy at the moment. I'll try again later. 对方的电话目前占线，我过一会儿再打。 ➔busily adv When I came in she was busily writing something at her desk. 我进来的时候，她正伏在桌上埋头写东西。