His brain wilted from hitherto unprecedented weariness ( Vladimir Nabokov )是什么意思？

His brain wilted from hitherto unprecedented weariness ( Vladimir Nabokov )

因迄今为止从未有过的疲劳,他感到萎靡不振 ( 弗拉基米尔纳博科夫 )

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。

brain

n. 脑，智慧，聪明的人，（群体中）最聪明的人；vt. 打破…的脑袋，打…的头部；

例句
As we fall asleep the amplitude of brain waves slowly becomes greater.
进入睡眠状态时，我们的脑电波振幅慢慢变大。

wilted

v. （使）凋谢，枯萎( wilt的过去式和过去分词 )；

例句
The roses wilted the day after she bought them...
她买的玫瑰第二天就凋谢了。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

hitherto

adv. 到目前为止，迄今，至今；

例句
The polytechnics have hitherto been at an unfair disadvantage in competing for pupils and money...
到目前为止，理工专科学校在争取生源和资金方面一直处于劣势。

unprecedented

adj. 前所未有的，无前例的，空前的，无比的，新奇的，崭新的；

例句
Footballers launched an unprecedented crusade against racism on the terraces...
足球运动员们对阶梯看台上的种族歧视发起了一场空前的运动。

weariness

n. 疲倦，困乏，消沉，厌倦；

例句
His brain wilted from hitherto unprecedented weariness ( Vladimir Nabokov )
因迄今为止从未有过的疲劳,他感到萎靡不振 ( 弗拉基米尔纳博科夫 )

Vladimir

n. 疲倦，困乏，消沉，厌倦；

例句
...the academy's deputy director, Vladimir Kudryatsev.
学院副院长弗拉基米尔·库德里亚夫采夫

Nabokov

[人名] 纳博科夫；

例句
His brain wilted from hitherto unprecedented weariness ( Vladimir Nabokov )
因迄今为止从未有过的疲劳,他感到萎靡不振 ( 弗拉基米尔纳博科夫 )