this much

this much

An phrase used to indicate a minimal but definite piece of information. I might not have a college degree, but I know this much: this tax bill is going to ruin our country. The story is still in development, but I can say this much—fans of the franchise are in for some huge surprises.
See also: much, this
Farlex Dictionary of Idioms.

ˈthis much

used to introduce something positive or definite: I’ll say this much for him — he never leaves a piece of work unfinished.
See also: much, this
Farlex Partner Idioms Dictionary
See also:
  • and the rest
  • (as) sure as eggs (is eggs)
  • scratch the surface
  • scratch the surface (of something)
  • skim the surface (of something)
  • (one's) best foot forward
  • best foot forward
  • beck and call
  • 57
  • and how