none too clever, happy, quickly, etc.

none too

Not much, very, or 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