Six Hundred Common English Idioms & Vocabulary in English with Portuguese translations. Note, the book can easily be adapted for any language speaking student. This system of language teaching was designed to be used as a simple way for teachers or travelers to earn some extra money by teaching English. Some years ago whilst traveling I found the need to be able to make some extra money to help me pay for my living expenses whilst away from home. It gave me the freedom to travel at the same time I was able to carry the tools I needed to be able to offer the locals English classes. There are nearly one million words in the English language according to the most recent (2014) Oxford English Dictionary. This course aims to give the student a comprehensive hold on the English language we use every day. This book contains lessons one to thirty. There are six hundred idioms listed in this book.