実じつを言いえば

expression, adverb

as a matter of fact; to tell the truth

Used to introduce a statement that reveals the real situation, often contrasting with what was previously assumed or said.

• 実じつを言いえば、彼かれのことはあまり知しらないんです。

  To tell the truth, I don't know much about him.

• 実じつを言いえば、その計けい画かくには最さい初しょから反はん対たいだった。

  As a matter of fact, I was against the plan from the beginning.