顽症 Traditional form: 頑症 Pinyin (reading): wánzhèng Definitions: see 頑疾/顽疾 (wánjí) Characters: 顽 - stubborn, recalcitrant, obstinate 症 - ailment, disease, illness Traditional characters: 頑 - stubborn, recalcitrant, obstinate 症 - ailment, disease, illness