work at 从事于，致力于

work on 继续工作，从事于

out of work 失业

die at one's work 殉职

at work 从事于，忙于

set/go about one's work 着手工作

练习：

翻译句子：

1. 我在这儿坐了一下午了。

2. 他们从60年代以来一直为独立而斗争。

3. 我一直在写一篇文章。

4. 从上星期以来，我一直在读那本书。

5. 我们找过他，但没有找到他。

6. 这些年来，他们一直为我们杂志写稿。

7. 最近我们常常见面。

Keys:

1. I have been sitting here all afternoon.

2. They have been fighting for independence since 1960s.

3. I have been writing an article.

4. I have been reading that book since last week.

5. We have looked for him, but haven't found him.

6. They have been contributing articles to our magazine all these years.

7. We have been seeing each other quite often recently.