Don Quixote (d) is chopping up a mandarin (口) with a cleaver (刀) in front of the aorta (ao1), but because he is chatting (叨) so much he doesn't pay attention and chops off his fingers.
to bother / to trouble / (polite expression of appreciation for time taken to hear, help or host the speaker) sorry to have bothered you / thank you for your time