Usages of riscar
Tem cuidado com esse caixote desajeitado, que vais riscar o chão!
Be careful with that awkward box, because you are going to scratch the floor!
Viram o que aconteceu? O rapaz largou a mesa e acabou por riscar a parede.
Did you see what happened? The boy let go of the table and ended up scratching the wall.
Elon.io is an online learning platform
We have an entire course teaching Portuguese (Portugal) grammar and vocabulary.