Select the most appropriate meaning of the given idiom.
On edge
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. Nervous and unable to relax.
The idiom 'On edge' means 'feeling nervous' or 'not calm and relaxed'.
For example: The students were on edge before the final exam in their math class.
From the given options, 'nervous and unable to relax' is the most appropriate meaning of the given idiom.
Hence, the correct answer is Option 4 i.e. Nervous and unable to relax.