基本解释v.变坚韧；变健壮；变顽固同根派生 英汉例句用作动词 (v.)This experience will toughen her.这次经历会让他变坚韧。The company leader said that army life would toughen the recruits up.连长说军队生活可以使新兵锻炼得更坚强。All this mountain climbing will toughen the boys up.这些爬山运动会把孩子们锻炼得身强体壮。