Translation of Piranha

We drove towards the university where he studied and from there we drove to the hospital where he worked. He told me that there were hospitals for locals and for foreigners with different medical equipment and staff.
And others are not, some of us are speaking (too) freely about it, without paying attention to what they really say. Some of us know how to restrain because we know that these feelings are malicious.
We went to eat dinner at an Indian restaurant an my wife and I were afraid that it would turn our stomace upside down, just a day before we had to take the long train journey back to the capital.