adjective of materials dur , fort , resistent tough meat carn dura leathery corretjós , estireganyós hardy fort , robust , vigorós to become tough through training endurir-se the tough sports els esports violents he's pretty tough és molt fort unyielding, stubborn inflexible , tenaç pejorative person implacable , sever , estricte he's a tough customer colloquial és un os a tough will una voluntat tenaç difficult ardu , difícil problem delicat , espinós journey, work ardu , rude , penós this is a tough job és un treball penós there's a tough road ahead el camí…