他是个谈判高手.用英语怎么说？

他是个谈判高手.

He is a negotiator of considerable skill.

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。

negotiator

n. 磋商者，交涉者，出售者，交易者；

例句
Their chief negotiator turned his critical eye on the United States...
他们的首席谈判代表以批判的眼光看美国。

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。

considerable

adj. 相当大（或多）的，该注意的，应考虑的；

例句
Despite considerable pain she has been getting out and about almost as normal...
尽管还很痛，她已经基本上行动如常。

skill

n. 技能，技巧，熟练，巧妙，才能，本领；

例句
...portrait sculptors of considerable skill and artistry.
具有高超技巧和艺术造诣的人像雕塑家