解释下列句中加粗的词语。
(1)吾义固不杀人:_____________________
(2)公输盘九设攻城之机变:_____________
(3)域民不以封疆之界:_________________
(4)寡助之至:_________________________
(5)人恒过然后能改:___________________
(6)妻妾之奉:_________________________
(7)欲代子相:_________________________
(8)请循其本:_________________________