be my guest 1. 〈口〉请便 A: May I have some more? B: Be my guest ! 甲：我能再来一点吗? 乙： 请便! He gestured towards the telephone. “Be my guest,” said the woman. 他指指电话。那女人说：“别客气，请打吧!” 2. 〈美俚〉[常用作讽刺语]悉听尊便 You want to tell the cop he's wrong? Be my guest. 你想要告诉警察说他错了? 随你便吧!