This document discusses common pronunciation mistakes made by Brazilian Portuguese speakers when speaking English. It identifies issues with certain consonant sounds like 'th' and consonant clusters. It also addresses mistakes with vowel sounds like pronouncing 'æ' and 'ɛ' the same. Portuguese speakers may also have problems with word stress placement and reduced vowels in unstressed syllables. The document provides examples of typical mistakes and the correct pronunciations. It suggests that non-native English teachers may be more empathetic to student struggles due to sharing their linguistic and cultural background.