. busy oneself with/ about/in忙于
2. get busy干起来, 开始工作[奔走, 活动]
3. keep ***. busy使某人有事做
4. be busy at /with sth ;busy doing sth 忙于某事
5.get busy着手干
busy的用法及搭配：busy在句中可用作定语或表语。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。
