血盆大口 [ㄒㄩㄝˋ ㄆㄣˊ ㄉㄚˋ ㄎㄡˇ; xue4 pen2 da4 kou3] bloody mouth wide open like a sacrificial bowl (idiom); ferocious mouth of beast of prey fig. greedy exploiter rapacious aggressor ◄ ►