be my guest
成語所屬單字guest
be my guest — 慣用語
1. a polite expression giving someone permission to do something they have asked to
1.慣用語
釋義
請便；別客氣
a polite expression giving someone permission to do something they have asked to do, equivalent to 'please go ahead'
例句
"May I borrow your pen?" "Be my guest — I have another one."
When Mert asked if he could take the last piece of cake, Inês smiled and said, "Be my guest."