xīn jīng ròu tiào
lit. heart alarmed, body leaping (idiom); fear and trepidation in the face of disaster
xīn jīng dǎn zhàn
lit. heart alarmed, trembling in fear (idiom); prostrate with fear
scared witless
xīn jīng dǎn chàn
see 心驚膽戰|心惊胆战[xin1 jing1 dan3 zhan4]
dǎn zhàn xīn jīng
to tremble with fear (idiom)
scared witless