Select the most appropriate meaning of the given idiom.

Be my guest

Please do it

The most appropriate meaning of the idiom "be my guest" is >please do it.<

It is used to give someone permission to do something. It is often used in a casual or informal way.

The other options are not correct.

• Stop, don't go ahead: This is not the same as giving someone permission to do something.
• Be with me: This does not mean to give someone permission to do something.
• Come with me: This does not mean to give someone permission to do something.