Select the most appropriate meaning of the given idiom.
A bolt from the blue
Answer & explanation
Correct answer: option 4
The most appropriate meaning of the idiom "a bolt from the blue" is something that happens suddenly.
The other options are incorrect.
- "Something causing a head injury" does not mean something that happens suddenly. A head injury can happen suddenly, but it is not an idiom.
- "Something that is hotly debated" does not mean something that happens suddenly. A hotly debated topic can be discussed suddenly, but it is not an idiom.
- "A strange dream that wakes one up suddenly" does not mean something that happens suddenly. A strange dream can wake one up suddenly, but it is not an idiom.
The idiom "a bolt from the blue" comes from the idea of a lightning bolt coming out of the sky without warning. In the same way, a bolt from the blue is something that happens unexpectedly or without warning. For example, you might say that the news of the death was a bolt from the blue.