When someone at the table gets mad at me, I usually just tell them it is my first game and I really don't know what I am doing.
Then I ask them to explain it to me or something like that.

One time I did this and the guy apologized to me, said he didn't know.
I said just beginner’s luck that's all.
Then a short while later he noticed that I was play 4 tables and got really mad at me again, I told him I was just trying to maximize my beginners luck since it was my first day and all.