不衰 Traditional form: 不衰 Pinyin (reading): bùshuāi Definitions: unfailing never weakening enduring unstoppable Characters: 不 - no, not, un-; negative prefix 衰 - weak, feeble; to decline, to falter Traditional characters: 不 - no, not, un-; negative prefix 衰 - weak, feeble; to decline, to falter