To not get along with someone; to be unable to see eye to eye or cooperate because personalities or attitudes clash.
彼とは設計の考え方が違って、どうしてもそりが合わない。
His design approach is different from mine; we just can't get along.
職場でそりが合わない人がいると、仕事がしにくくなる。
If there's someone you don't get along with at work, it becomes harder to do your job.
初めて会ったときから、なぜか彼女とはそりが合わなかった。
For some reason, I didn't click with her from the first time we met.
そりが合わないと言って仲間外れにするのはよくない。
It's not good to exclude someone just because you don't get along with them.