辛劳的英文：
laborious

To work strenuously;toil.
辛劳艰苦地工作

To labor extremely hard;toil or travail.
极端努力地工作；辛劳或劳苦。

To work to exhaustion; toil.
精疲力尽地工作;辛劳地工作

To work to exhaustion;toil.
做苦工精疲力尽地工作;辛劳地工作

Practicing is tiresome, but stick with it and some day you will become a good pianist.
练琴是一件辛劳的事,但如果你坚持下去,你将来会成为一名很好的钢琴演奏家。

They recompensed him for his trouble.
他们酬谢他的辛劳。

The men labored on into the late night
那些人辛劳到深夜。

The joy overpays the toil
所得的快乐超过付出的辛劳。

Painting the house is tiring, but if you hang on, the results are worth the effort.
粉刷房子很累，但如果坚持下来的话，你的辛劳是值得的。

MPs say they work too hard and that is why so many of their marriages break up...
国会议员们声称他们工作过于辛劳，因而导致他们当中很多人婚姻破裂。

Her work is a laborious task
她的工作很艰苦。

Cleaning the forest is a laborious business.
清理树林是份艰苦的差事。

Their installation proved a laborious undertaking.
要来安顿这些人，确实是一件麻烦的事情。

The distance seemed interminable, and the walk was most laborious.
距离好象无穷无尽似的，走起来真够吃力。

He is committed to laboriously assembling all of the facts of the case.
他被委托要辛苦地汇集此案的所有事实。