guest

1. N-COUNT A guest is someone who is visiting you or is at an event because you have invited them. 客人

She was a guest at the wedding. 她是参加婚礼的客人。

2. N-COUNT A guest is someone who visits a place or organization or appears on a radio or television show because they have been invited to do so. 特邀嘉宾

...a frequent talk show guest. …一位经常参加访谈节目的特邀嘉宾。

Dr. Gerald Jeffers is the guest speaker. 杰拉尔德·杰弗斯博士是特邀演讲人。

3. N-COUNT A guest is someone who is staying in a hotel. (旅馆的) 客人

I was the only hotel guest. 我是旅馆的惟一客人。

4. CONVENTION If you say be my guest to someone, you are giving them permission to do something. 请便

If anybody wants to work on this, be my guest. 如果有人想做这件事的话，请便吧。