It will be a grueling task.
With or without Ewing, that may be the most grueling task.
I knew he would give Hillary the kind of support she needed for the grueling task ahead of us.
He struggles to keep up with the other students and to complete the grueling tasks assigned to him by his instructor.
But he considers those races "cruises" compared to the grueling task of keeping a Whitbread boat going at top speed in tough conditions.
The problem was to find your true maximum heart rate - a grueling task that requires pushing yourself to complete exhaustion.
There are so many forces influencing fashion now that finding the designer's message amid it all is a grueling task.
It's a grueling task you're considering.
The search for his replacement was going to be another grueling task.
Hand design of a gear or bearing at the level of atoms is a grueling task.