a.

1. 忙碌的，繁忙的[（+with/at/over）][（+in）][+v-ing]
   He is busy at work.

   他忙着工作。

   I am busy writing a novel.

   我正忙于写小说。

   Jean is busy with her work.

   琼忙于自己的工作。

2. 充满活动的；热闹的
   Yesterday I had a busy afternoon.

   昨天下午我很忙。

3. 【美】（尤指电话线）正被占用的，不通的
   Sorry, her phone is busy.

   抱歉，她的电话正在使用中。

4. 【贬】杂乱的，使人眼花缭乱的
5. 爱管闲事的

vt.

1. 使忙于[+oneself][（+with/at/about/in）]
   Bill busied himself with collecting materials.

   比尔忙于收集资料。

adj.

1. having a great deal to do.
   ▸(of a place) full of activity or people.
2. (of a person) presently occupied; engaged.
   ▸chiefly N. Amer. (of a telephone line) engaged.
3. excessively detailed or decorated.

v.

n.