Expressing dissatisfaction with someone’s efforts
That won’t do.
That won’t do it.
That doesn’t cut it.(idiomatic)
to cut it=to do what is needed
That doesn’t cut the mustard.(idiomatic)
To cut the mustard=to measure up to expectations
That doesn’t make the grade.
to make the grade=to qualify
Is that it?
It’s not up to snuff.
Is that all?
You call that finished?
Once more with feeling.(cliche’)