形容词
1. Yesterday I had a busy afternoon.
昨天下午我很忙。
2. busy
2. The telephone line is busy.
电话占线。
3. busy
3. He is busy now.
他现在很忙。
4. Jean is busy with her work.
琴忙于自己的工作。
及物动词
1. She is busying herself about the house.
她忙于家务。
2. Bill busied himself with collecting materials.
比尔忙于收集资料。