喪膽

panic-stricken / scared out of one's wits

mourning / funeral / (old) corpse

to lose sth abstract but important (courage, authority, one's life etc) / to be bereaved of (one's spouse etc) / to die / disappointed / discouraged

gall bladder / courage / guts / gall / inner container (e.g. bladder of a football, inner container of a thermos)

hear the wind and lose gall (idiom); terror-stricken at the news