he feels he should become tough to fit in with his friends.
为了与朋友融为一体, 他认为自己应强硬起来。
produce ideas that fit in with an established approach.
提出与既定做法相符的理念。
where do your sisters fit in?
你的姐妹们在哪儿安家？
See main entry:fit
英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。