We began work on the project in May.

　　我們于五月份啟動了這項工程。

　　She is best known for her work on the human brain.

　　她在對人腦的研究方面最為知名。

　　We started work on the project in 2002.

　　我們于2002年開始干這個項目。

　　Work on the new bridge is due to begin in September.

　　新橋定于九月份動工。

　　He made a concentrated effort to finish the work on time.

　　他全力以赴以按時完成這項工作。