Select the most appropriate meaning of the following idiom.

A live wire

A very active or energetic person

The most appropriate meaning of the idiom "a live wire" is a very active or energetic person.

The idiom is thought to have originated in the early 20th century, and it is believed to be a reference to the way that live wires are full of electricity and can be dangerous. A live wire is someone who is full of energy and excitement, and who can be unpredictable and sometimes dangerous.

Here are some examples of how the idiom "a live wire" can be used in a sentence:

• "She's a real live wire. She's always on the go."
• "The new CEO is a live wire. He's shaking things up around here."
• "The party was full of live wires. Everyone was dancing and laughing."