画饼充饥: (比喻借空想安慰自己) draw cakes to allay hunger -- feed on illusions; a barmecide feast; draw a cake and call it a dinner; draw [paint] a cake [pie] to satisfy (one's) hunger; picturing a cake to s
痴心妄想: fond dream; daydreaming; an idle dream; a pipe dream; a silly notion; aspire [hanker] after the impossible; be infatuated with and indulge in vain hopes; be obsessed with (some) wild [fant