Translation of microscopic in German

We sat on the balcony and saw that the hotel had even a pool on the roof top but I did not have the courage to jump in. It just looked to dirty and as no one was in there I did not need to be the first.
Did you receive my email? Are you going to call me back and help me? Would you be able to help me?? Please? Your English very is very well already. I will correct you if you make any spelling mistakes.
I think there are many similar words in English and in German like park, house, bank and many more. Many people in Germany know these words, although they do not speak English properly.