家徒四壁: have nothing but the bare walls in one's house; a family with nothing but four walls; a house empty [bare] of all furniture; as poor as a church mouse; be utterly destitute; he has nothing
一贫如洗: (as) poor as job; be destitute of; be desperately poor; be in utter destitution; be (down) on one's uppers; be reduced to a state of poverty; be reduced to dire poverty; live in dire pover
他一贫如洗: he is as poor as a church mouse. inadequate