v.變堅(jiān)韌;變健壯;變頑固
This experience will toughen her. 這次經(jīng)歷會(huì)讓他變堅(jiān)韌。
The company leader said that army life would toughen the recruits up. 連長說軍隊(duì)生活可以使新兵鍛煉得更堅(jiān)強(qiáng)。
All this mountain climbing will toughen the boys up. 這些爬山運(yùn)動(dòng)會(huì)把孩子們鍛煉得身強(qiáng)體壯。