3. As a matter of fact...
    不瞞你說······
    用法透視
    這個句型的含義接近"in fact"，意思是"不瞞你說；其實；實際上"。做插入語單獨使用。
    支持范例
    1. As a matter of fact, we were just talking about you when you came in.
    不瞞你說，你進來時我們正談論你呢。
    2. As a matter of fact, I was the one who did it.
    其實，那件事是我做的。
    3. I finished it yesterday, as a matter of fact.
    實際上，我昨天就完成了。
    會話記憶　YouTheme
    A: I wish I could unsay the sharp words to him. He must hate me very much.
    真希望我沒說那些過分的話，他一定恨死我了。
    B: He doesn’t mind. As a matter of fact, he’s very pleased.
    他沒介意。事實上，他還挺高興的。
    A: Really? Oh, thank Goddness!
    真的嗎？噢，謝天謝地