攻坚 Traditional form: 攻堅 Pinyin (reading): gōngjiān Definitions: to assault a fortified position (fig.) to concentrate one's efforts on a particularly difficult part of one's mission Characters: 攻 - to accuse; to assault; to criticize 坚 - hard, strong; firm, resolute Traditional characters: 攻 - to accuse; to assault; to criticize 堅 - hard, strong; firm, resolute