他是位当代作家。用英语怎么说？

他是位当代作家。

He is a writer of today.

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

writer

n. 作家，作者，撰写人，写字…的人；

例句
...a writer who becomes involved in a real murder mystery through his acquaintance with a police officer...
因为认识一位警官而参与到一件真实谋杀悬案调查的作家

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

today

adv. （在）今天，现在，现今，现代，当代；n. 今天，今日，现代，当代，现今；

例句
He told reporters today that the president's trip to Moscow is up in the air.
今天他告诉记者们总统是否前往莫斯科尚未确定。