I regard Beethoven as a genius who exerted arduous efforts.

我认为贝多芬是一位勤奋努力的天才。

We must accomplish this arduous task for our country.

为了国家，我们一定要完成这项艰巨的任务。

Creating a financial tech company is arduous.

创建一家金融科技公司很费力。

The task is arduous. So we have to spend more time.

这个任务很费力 所以我们不得不多花点时间

The journey was surprisingly arduous with numerous flight delays and cancellations.

旅途异常艰难，多次航班延误和取消。

The work was arduous.

这项工作很艰巨。

We must have patience in doing arduous work.

我们做艰苦的工作要有耐性。

He never seeks credit for himself, but is always ready to take on arduous tasks.

他在荣誉面前从不伸手，但在艰巨任务面前却当仁不让。

The tasks are arduous.

任务繁重。

This is a hard job.; The task is arduous.

这个任务很吃重。