duro[Espagnol]

adjectif satellite
1 : full of hardship or trials; "the rocky road to success"; "they were having a rough time"
2 : hard to deal with; especially causing pain or embarrassment; "awkward (or embarrassing or difficult) moments in the discussion"; "an awkward pause followed his remark"; "a sticky question"; "in the unenviable position of resorting to an act he had planned to save for the climax of the campaign"
adjectif
1 : resisting weight or pressure
2 : not easy; requiring great physical or mental effort to accomplish or comprehend or endure