Translation of zweifelhaft

So I cannot eat an entire fish, that looks like a fish and I cannot eat an entire chicken that looks like a chicken. Understand? It is all in the head, as I have told you before. Nothing personal.
I almost forgot to tell you, that the water was brown, despite of its name... Anyway, as I was already close to my next destination I went and consulted with a tourguide of Austrian travelers.
The cemetery in Recoleta was worth seeing, although I do not like hanging around these places for too long. From there we continued to the market but found it boring so that we kept on going.