Choose the most appropriate meaning of the given idiom.
Ace in the hole
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. A hidden advantage.
- The idiom "ace in the hole" means having a hidden advantage or resource that can be used when necessary. It originates from card games, where a hidden "ace" provides a strategic benefit.
- This interpretation aligns with "a hidden advantage," while the other options do not convey this meaning.