难解 Traditional form: 難解 Pinyin (reading): nánjiě Definitions: hard to solve hard to dispel hard to understand hard to undo Characters: 难 - hard, difficult, arduous; unable 解 - to explain; to loosen; to unfasten, to untie Traditional characters: 難 - hard, difficult, arduous; unable 解 - to explain; to loosen; to unfasten, to untie