1. This essay is a most conscientious piece of work.
    这篇论文是精雕细刻的工作.

2. The essay is marked by lucidity and elegance.
    这篇论文以清新典雅为其特色。

3. The following essay appeared as Newsweek's (《新闻周刊》) "My Turn" article in September of 1980.)
    下面这篇文章发表在《新闻周刊》1980年9月号上名为"轮到我了"的专栏里。

4. Can you write an essay in English?
    你能用英文写一篇论文吗？