This is too much for a day's work.
The amount of this work is too much.
This work takes [requires] a great deal of time.
This is one of the jobs I have to do every day.
I find it difficult to do all this work in a day.
Don't leave this job till tomorrow.
This job will take twice as long as I expected.
There are many jobs outside of this.
This sort of work calls for great patience.