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(zhǎng)說(shuō)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。

v.變堅(jiān)韌；變健壯；變頑固

v.變堅(jiān)韌；變健壯；變頑固