Would you tell me whether I am right about my interpretation of the expression in bold in the following sentences?
When the laughter subsided, a lean, rather clever-looking boy rose up in the front row but one and said, impudently: "Please sir, I'm Worsley. I didn't do anything."
Speed replied promptly: "Oh, didn't you? Well, you've got a hundred lines, anyway."
in the front row but one = in the second row
Thanks for your efforts.