后怕

lingering fear / fear after the event / post-traumatic stress

empress / queen / (archaic) monarch / ruler

back / behind / rear / afterwards / after / later / post-

surname Pa

to be afraid / to fear / to dread / to be unable to endure / perhaps

lit. to fear the wolf in front and the tiger behind (idiom) / fig. to be full of needless fears / reds under the beds