He clearly takes pride in his work and is willing to do even the most arduous task.

Wu did her best to help, but it was still an arduous task.

We asked her why she has given herself such an arduous task.

Working on the giant set was an arduous task, according to the crew members involved.

This was not an arduous task but it did mean that one's relationship with him became quite intimate.

In 1716, he asked to be relieved from the arduous task.

This was a much more arduous task than writing the expedition narrative.

The ability to set a record at sea is an arduous task by any standard.

Planning that "dream" break for a group can be an arduous task.

This survey was an arduous task and the ships suffered.