jump out of your skin
US /dʒʌmp aʊt əv jʊər skɪn/
UK /dʒʌmp aʊt əv jʊər skɪn/

1.
嚇了一跳, 大吃一驚
to be extremely surprised or frightened by something
:
•
The sudden noise made me jump out of my skin.
突如其來的聲音讓我嚇了一跳。
•
When he tapped me on the shoulder, I nearly jumped out of my skin.
當他拍我肩膀時,我差點嚇得跳起來。