Select the most appropriate meaning of the given idiom.
Have your heart in your mouth
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. to be extremely frightened.
The most appropriate meaning of the idiom "have your heart in your mouth" is "to be extremely frightened." This expression conveys a sense of intense fear or anxiety as if your heart is pounding so hard that it feels like it's in your mouth.