1) He is devoted entirely to writing.
他专心于写作。
2) He devoted himself to writing.
他专心写作。
3) He' s intent on his work.
他正专心于工作。
4) He was busy with his writing.
他忙于写作。
5) He glues himself to his books.
他专心于书本北。
6) Sports occupy his attention.
他专心于运动。
补充资料：他们
1.代词。称自己和对方以外的若干人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条