困乏的英文：
tired; fatigued; weary; sleepy

Such detours are well worth making and can greatly reduce the soporific boredom of motorway driving.
这些弯路值得一绕，能够大大减低在快车路上行驶时的困乏感。

Often she slept only two or three hours a night, she said, and felt endlessly fatigued
她说她每天只能睡两、三小时，总是感到周身困乏。

Finally, exhausted and exhilarated, he soon fell into a mercifully dreamless sleep
最后，他觉得困乏了，可还是喜孜孜的，终于很快就昏昏沉沉地睡着了。

She was tired, tired to the bone.
她疲倦了，彻骨地疲倦了。

Living there is tiring.
住那里很麻烦。

rotate TIRES: Another way to promote even tire wear is to rotate tires
轮换车胎:轮换车胎是增强轮胎均匀磨损的又一办法。

Teacher was worn down with fatigue.
老师因劳累而疲乏不堪。

Fatigue is a particular problem for women.
疲劳是女性特有的问题。

but bah,there is no such thing as fatigue on Sunday, said Favourite,on Sunday fatigue does not work
“星期日没有什么叫做疲倦，”宠儿说，“疲倦到星期日也去休息了。”

And the weariness of the cell is the vigor of the organism
一个细胞的衰变正是机体的活力。-你们会失败的。

a weary sigh, smile
疲倦的叹息﹑ 笑容.

Never be weary of well doing
行善莫厌烦