His powers of observation were uncanny.是什么意思？

His powers of observation were uncanny.

他的观察能力非常惊人。

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。

powers

n. 幂( power的名词复数 )，能力，权力，功力；

例句
The eighteenth-century Admiralty had few coercive powers over its officers.
18世纪的英国海军部对其军官没有什么强制力。

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。

observation

n. 观察，观察力，评论，观察所得；

例句
...careful observation of the movement of the planets...
对行星运动的仔细观测

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

uncanny

adj. 神秘的，可怕的，怪异的，危险的；

例句
The hero, Danny, bears an uncanny resemblance to Kirk Douglas...
主人公丹尼与柯克·道格拉斯出奇地相像。