one's heart in one's mouth
01
an intense feeling of suspense, fear, or nervousness
![{one's} [heart] in {one's} mouth definition and meaning](https://cdn.langeek.co/photo/42836/original/?type=jpeg "{one's} [heart] in {one's} mouth definition and meaning")
Idiom
例子
Her heart is in her mouth as she steps onto the stage to deliver her first solo performance.
They always have their hearts in their mouths when watching a horror movie, eagerly anticipating the next scare.
