1) He occupied himself in collecting stamps.
他忙于集邮。
2) He is enamoured of stamp collecting
他迷恋于集邮。
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 is engaged in his business.
他忙于他的生意。
参考词条