Translation of arena in Spanish

I will add a feature to the dictionary builder tool, that marks a word as vulgar. The words that are shown in the tool are words that users did not find in our dictionary and a lot of them are vulgar.
There might be another reason why the house was hit. Some houses have a little infrastructure problem and cannot protect themselves against flash lights. That means they are in constant risk of fire which can lead to catastrophic outcome.
My problem never was the writing part, but I did not have the courage to speak. When I did not get further, I had to use my hands and feet to communicate, which always seems a little stupid.