吓了一跳

The sound of the explosion gave me quite a scare.

爆炸声把我吓了一跳。

I was taken aback by what I saw.

我被眼前看到的吓了一跳。

He was frightened at the sight of the dog.

一见到那条狗他吓了一跳。

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

当女售货员打我买的东西的总额时, 我吓了一跳。