Select the most appropriate meaning of the given idiom.

A bolt from the blue

An unexpected event

The most appropriate meaning of the idiom "a bolt from the blue" is an unexpected event. It describes something that happens suddenly and unexpectedly, and that is usually very surprising or shocking. The idiom comes from the idea of a lightning bolt, which comes out of nowhere and can be very dangerous.

The other options are not correct.

• A sudden run: This is not the same as a bolt from the blue.
• An electric shock: This can be part of a bolt from the blue, but it is not the whole meaning.
• To get of someone: This is not the same as a bolt from the blue.