由于汉语和葡萄牙语在语言的表达形式上存在许多差别,这些差别给中国的葡语初学者在理解和使用上造成困难,在词汇的性数、形容词和前置词的使用等方面经常出现错误。本文尝试总结大学低年级学生在书面和口头表达中常见的错误,分析出现这些错误的原因,并帮助他们找到避免这些错误的方法,使他们从入学初期就逐渐养成正确使用葡语语法规则的习惯。 Because of the many differences between Chinese and Portuguese in language expression, these differences make it difficult for Chinese beginners to understand and use Chinese, and often make mistakes in the use of vocabulary, adjectives and prepositions . This article attempts to summarize the common mistakes made by college students in writing and oral presentation, analyze the causes of these mistakes and help them to find ways to avoid these mistakes so that they gradually develop the proper use of grammatical rules in Portuguese from the beginning of their studies habit.