/gest ||; gɛst/noun[C] 1 a person who is invited to a place or to a special event 客人；宾客: wedding guests 参加婚礼的宾客Who is the guest speaker at the conference? 谁是会上的特邀演讲人？
2 a person who is staying at a hotel, etc （旅馆等的）客人: This hotel has accommodation for 500 guests. 这家旅馆住得下500个客人。
be my guest(
informal 非正式) used to give sb permission to do sth that he/she has asked to do （表示准许某人的请求）:
‘Do you mind if I have a look at your newspaper?’ ‘Be my guest!’ “我能看一看你的报纸吗？”“请便！”