艰苦的工作的英文：
task

A laborious task
艰苦的工作

Be quite used to hard work/working hard
很习惯做艰苦的工作

These people are accustomed to hard work.
这些人惯于艰苦的工作

She had to condition herself to long hours of hard work.
她必须让自己适应长时间的艰苦工作。

Penny is capable of hard work.
佩妮能胜任艰苦的工作。

You must habituate yourself to hard work.
你必须使自己习惯于艰苦的工作。

Sorrow and anxiety wear one more than hard work.
忧愁和焦虑比艰苦工作更能折磨人。

It sounds the most fearful hard work.
这听起来是极为令人生畏的艰苦工作。

This hard work has drained away my keenness.
这种艰苦的工作削弱了我的锐气。

After years of hard work, his hopes came to fruition
经过几年的艰苦工作，他的希望实现了。

This is a painful task.
这是一份不愉快的差事。

a painful task.
费力的工作

The task is complete.
任务完成了。

You must admit the task to be difficult [ that the task is difficult ].
你应当承认这项任务是艰巨的。

You must admit the task to be difficult [that the task is difficult].
你必须承认这项任务是困难的。