渾渾噩噩 (形容無知無識的樣子) muddle along without any aim; completely naive; ignorance of the ancient people in the primeval times; ignorant; innocent; listlessly; live in a state of ignorance; muddle-headed; simple-minded
渾金璞玉 unrefined gold and unpolished jade -- an unadorned beauty; jade and gold in natural state; unchiselled [uncut; uncarved] jade and unsmelted gold; a diamond in the rough [a rough diamond]; one who has not been spoiled; a beautiful un-tutored talent; completely natural; pure-minded; simple-minded (亦作“璞玉渾金)
渾厚 1.(淳樸老實) simple and honest; sincere2.(藝術風格樸實雄厚) simple and vigorous 筆力渾厚 (of handwriting) bold and vigorous strokes