none too clever, happy, quickly, etc.

none too

Not much, not very, or not at all. We got there none too early. My husband could use some project to work on; he's been none too busy since he lost his job.
See also: none

none too ˈclever, ˈhappy, ˈquickly, etc.

not at all clever, quickly, etc: The driver was none too pleased about having to leave so early.Her chances of winning are none too good, I’m afraid.
See also: none