the fact (of the matter) is (that)…
idiomPart offact
the fact (of the matter) is (that)… — idiom
1. Used to emphasize that a statement is true, especially when it contradicts what
1.idiom
Definition
Used to emphasize that a statement is true, especially when it contradicts what was just said.
Example
You may think it's easy, but the fact of the matter is that it's hard.
The fact is we don't have enough money for a vacation.