心惊胆战 | xīn jīng dǎn zhàn | lit. heart alarmed, trembling in fear (idiom) / prostrate with fear / scared witless | |
胆战心惊 | dǎn zhàn xīn jīng | to tremble with fear (idiom) / scared witless | |
屁滚尿流 | pì gǔn niào liú | to piss one's pants in terror (idiom) / scared witless |