考研英语作文中，可以使用以下方法进行改写：
替换词汇
古老的：old → ancient，archaeic
逃犯：infringe → violate
使害怕：intimidate → frighten
带来生气：enliven
对手：rival → opponent
吸引人的：intriguing
旁观者：bystander
替换短语
费时间去了解……：take time to acquaint oneself with
替换句型
使用被动语态：例如，将“The book was written by a famous writer.”改写为“A famous writer wrote the book.”
使用强调句型：例如，将“She is a good student.”改写为“It is her being a good student that makes her stand out.”
使用比较级：例如，将“He is taller than me.”改写为“He is taller than I.”
通过以上方法，可以提高作文的多样性和表达的丰富性，从而提升作文分数。建议多积累替换词和短语，并在写作中灵活运用。