1) He is employed in watering the garden.
他忙于浇花园。
3) He was busy with his work.
他忙于工作。
4) He concerns himself with trivia.
他忙于琐事。
5) He was busy with his writing.
他忙于写作。
6) He occupied himself in collecting stamps.
他忙于集邮。
参考词条