endurecer
verbo:transitivo
1 [+material, sustancia] (poner duro) to harden; (hacer más resistente) to toughen
un barniz que endurece las uñas a varnish that hardens your nails; el proceso de estiramiento endurece el metal the drawing process toughens the metal; ejercicios para endurecer los músculos exercises to strengthen the muscles
2 [+persona] (curtir) to toughen up; (volver insensible) to harden
la vida del campo lo endurecerá life in the country will toughen him up; los años que pasó en la cárcel lo endurecieron the years he spent in prison hardened him
3 (Jur) [+ley] to tighten; tighten up; [+pena, castigo] to make more severe
han endurecido la política antiterrorista they've taken a tougher anti-terrorist line; they're toughening up on terrorism; los sindicatos han endurecido su postura the unions have taken a tougher stance; proponen endurecer las medidas contra el fraude they're proposing to take tougher firmer measures against fraud;o
el gobierno ha endurecido los controles the government has tightened (up) controls
