freaking me out

「吓我一跳」！ What a shock! 你的是片语，所以英文亦只会是片语。 不会有例句的，sorry. 你把我吓了一跳。 You've scare the hell out of me. 你无声无色地走到我后面把我吓了一跳。 You statled me when ing from behind without (making) a sound. 所以你的中文形容可以有很多写法，你要写出句子意思才知用那个英文会比较贴切，而不能是旦填充。
good things: It surprised me! bad things: It shocked me!
give me a jump astonish me surprise me shock me you really _____ when you suddenly appeared from my back!
参考: me
in US we say: you scare the crap out of me/ freak me out
吓我一跳=give me a scare 例句 : You really give me a scare! (你真的吓我一跳!)
you shake me ~ e.g Its really shake me when I open the biscuit box because I saw a dead mouse body.
参考: 自己
「吓我一跳」的英文是 ~ - You startled me! - You scared the shit out of me - You make my heart out! - You scared me jump! - I'm taken aback by you!