吓了一跳

The sound of the explosion gave me quite a scare.

爆炸声把一跳。

I was taken aback by what I saw.

被眼前看到的一跳。

He was frightened at the sight of the dog.

一见到那条一跳。

I got a shock when the salesgirl punched up the total of my shopping.

当女售货员打买的东西的总额时, 一跳。