用作表语时,其后常可接介词about, at, in, over , with引起的短语, 这些介词有时可省略,特别是当其宾语为动名词时。busy用于too...to结构时可接动词不定式。
busy既可用作及物动词,也可用作不及物动词。用作及物动词时,一般接oneself作宾语,常常表示“使自己忙于某事”。
We have a very busy day ahead of us today.
今天迎接我们的将是非常忙碌的一天。
She is a busy woman with many calls on her time.
她是个大忙人，有很多事等着她去办。
He wouldn't come ─ he said he was too busy.
他不愿来，他说他太忙。
The line is busy ─ I'll try again later.
占线——我过会儿再打。