Why use a butcher knife to kill a chicken?

"Miss Arlene, what's the matter?" Arlene followed and said, "Master Qin, I'm here to ask you to go back." "No need, please go back!" Ulric Collins was about to leave, but A Lin stopped him again, "I know my cousin Bing Yang just said some mean things to you, but he doesn't know that you were invited by my second aunt, so I hope you won't take it personally." "You misunderstood! I, Ulric Collins, don't have the time to bother with a dying man." "Master Qin, you...what do you mean by that? Are...