I just can't seem to get along with them! I really hate that!
We're so different. I can't stand it anymore!
1) I just can't seem to get along with them! I really hate that!
「彼らとは本当に合わない!本当に嫌!」
get along with で「仲良くやっていく・折合う」
2) We're so different. I can't stand it anymore!
「合わなさすぎる!もう我慢できない!」
stand で「我慢する・耐える」
ご参考になれば幸いです!