1.
This is a formidable task.
这是一项很艰巨的工作。
2.
She likes her job to be a challenge.
她喜欢艰巨的工作.
3.
It's a big job, he'll have his work cut out for him
这是项艰巨的工作，够他受的。
4.
It' s a difficult job but she' s the person to carry it through.
这是件艰巨的工作, 但她是能胜任的.
5.
He has an amazing appetite for hard work.
他出奇地喜爱艰巨的工作.
6.
gather up one's strength for a hard job
集中精力去干一项艰巨的工作
7.
It's not enough of a challenge.
那不算是什么艰巨的工作 [难题]。
8.
The medical profession is/are doing a very difficult job.
医务工作者正在从事一项非常艰巨的工作。
9.
They have a long haul in front of them.
摆在他们面前的是漫长而又艰巨的工作。
10.
What you are doing is arduous but lofty work.
你们各位从事的是一项崇高而艰巨的工作。
11.
Her delicate constitution disinclines her from such an arduous job
她纤弱的体质使得她不欲担任如此艰巨的工作
12.
Her delicate constitution disinclined her from such an arduous job.
她纤弱的体质使得她不欲担任如此艰巨的工作。
13.
All this hard work is knackering me.
所有这些艰巨的工作把我累得筋疲力尽.
14.
Like a good pilot, he not only runs the shooting match but does the toughest job himself.
作为一个好的飞行员，他不仅总揽全局还亲自承担最艰巨的工作。
15.
Don't underestimate the difficulties of the work.
不要低估了这项工作的艰巨性。
16.
Here's the hardest part of the job.
这儿是工作的最艰巨部分。
17.
Many volunteers are used to doing difficult or important work.
许多义务工作者惯于干艰巨而重要的工作。
18.
the arduous work of preparing a Dictionary of the English Language(bMacaulay)
制作一本英语语言词典的艰巨工作(b麦考利)