Translation of cavity in German

We felt a little dumb and waited for the hot water. The boiler seemed not to work and we started to become upset. We asked the technician to come once again and he admitted his mistake.
It seemed that the fisherman and his daughter did not intend to keep on rowing unless we would buy something and we were really annoyed by that and did not hide it. In the end they passed.
Hi George, I speak a little bit of English but not very well. Can you correct my mistakes if I have any? I will help you with German. Writing is important, it helps to focus. Thank you for your answer.