He demonstrated his mastery of political manoeuvring.是什么意思？

He demonstrated his mastery of political manoeuvring.

他表现出了高超的政治手段。

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。

demonstrated

v. 举行示威游行（或集会）( demonstrate的过去式和过去分词 )，示范。展示，显示，论证；

例句
He demonstrated the all-round skills of a quarterback.
他展示了一个枢纽前卫非常全面的技术。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

mastery

n. 精通，熟练，统治，控制，优势；

例句
He doesn't have mastery of the basic rules of grammar.
他还没有掌握基本的语法规则。

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。

political

adj. 政治的，政党的，对政治有兴趣的；

例句
He has also called for an acceleration of political reforms.
他同时呼吁加快政治改革的步伐。

manoeuvring

n. 调遣，部署，操纵；

例句
His appointment as prime minister owed much to the wily manoeuvring of the President.
他之所以被任命为总理，很大程度上是因为总统在阴谋操纵。