to fit in with
– Joanne: Hey Alex! How are you? I heard you are now working at a different company. How is it going?
Alex feels good at his new job because he and his coworkers are probably similar in some ways: their passion to the job, life styles etc… He feels like he is one of them!
Christine is very different from the people she met at the party. She looks different and they probably have different interests, that’s why she doesn’t “fit in” with the business people she met there.
This idiom is from LSI’s book “Reading Savvy,” which is used in the Level 6 Reading classes. For more information, please visit https://www.languagesystems.com/