this much

this much

An introductory phrase used to highlight a minimum 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

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