Translation of infuriate in Spanish

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.
For me it's a really I nice way to learn English vocabulary, verbs and grammar. I created a new vocabulary lesson about leisure and health. There are many words in that lesson.
Many thanks for your letter. I am delighted to tell you that I have passed my exams and am looking forward to the next year. Meanwhile I am planning a trip to Costa Rica and some places around there.