I don't speak Portuguese, not even a word
But I understood what you girls said...I think
Here's my translation:
gostei dessa idéia e para deixar tudo mais confuso vou escrever em português.
quero saber quem é aquela mulher na praia com del potro. eu quero afogá-la!!!
I like this idea, and to make everything more confused I'll write in Portuguese.
I want to know who is that woman at the beach with Del Potro. I want to drown her!!
Parece que a irmã .... é que me parece.
I think it's her sister...I think so.
And I hope so!!! I'm madly jealous when I see him with other woman
Homework for the girls learning Spanish: translate both Kai's and Michele's comments to Spanish