Man : Excuse me. Would you like to sit down? Old Lady: That's very nice of you. Thank you. Man : It's my pleasure. Old Lady: You're a very courteous gentleman. Man : Thank you. 不客气 男 土：抱歉。你想要坐下吗? 老妇人：你真好，谢谢。 男 士：不客气。 老妇人：你真是一位有礼貌的绅士。 男 士：谢谢你。