• The idiom "blow cover" means to reveal or expose information that was kept secret, usually by someone in a position of power or authority. It can also refer to uncovering a lie or deception.

The idiom "come over" has multiple meanings depending on the context. It can be used to refer to physical movement, emotional changes, or even time of day.

• Physical movement: "Come over here" is a literal request for someone to move from their current location to a nearby spot.

The idiom "beck and call" is used to describe a situation where someone is easily accessible or responsive, either because they are physically close by or because they have made it easy for others to reach them.

The idiom "drop by" means to visit someone unannounced or unexpectedly. It is a casual way of inviting oneself to someone's home or workplace without prior arrangement.

The idiom "melting pot" refers to a place or environment where different cultures, ideas, or individuals come together and mix or blend into a homogenous whole. It can also imply that the differences between different groups are being erased or ignored.