'That's when I started to get really nervous, ' Ms. Kim said afterward.

I had my heart in my mouth when I went to ask the boss for more money.

My heart was in my mouth when I reached the top of the roller coaster.

Jack's heart stood still when he saw the his pet dog run into the street in front of a car.

Learner: It's so terrible! Water went down into my throat and I almost got drowned!