性格不合

xìnggébùhé
incompatibility of temperament

CEDICT

personality clash

Wiktionary

Entry Composition

1 性格 xìnggé
  1. nature
  2. disposition
  3. temperament
  4. character

classifier: 個
2 不合 bùhé
  1. to not conform to
  2. to be unsuited to
  3. to be out of keeping with
  4. should not
  5. ought out