busy有动词的意思吗?

形容词 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
及物动词 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. 忙碌的；热闹的；正被占用的
vt. 使忙于

好像没有 be busy doing sth