toughen

toughentoughenD.J.:[ˈtʌfn]K.K.:[ˈtʌfən]vt. & vi.1.■(使某物[人])坚韧, 坚强, 强硬

toughen['tʌfən]vt.1.■使变坚韧；使变坚强；使变强硬；使变顽强；使变困难：The government has toughened the fight against corruption.政府已采取更有力的措施与腐败做斗争。vi.1.■变坚韧；变坚强；变强硬；变顽强；变困难：She has toughened up a lot since last year.自去年以来她已经变得坚强多了。

toughentoughen[ˈtʌfn]vt., vi.1.■使[变]强韧; 使[变]坚强; 使[变]倔强; 使[变]困难