冰释前嫌

冰釋前嫌
bīngshìqiánxián
(idiom) to forget previous differences; to bury the hatchet

CEDICT

to bury the hatchet; to let bygones be bygones; to become reconciled

Wiktionary

Entry Composition

1 冰释 bīngshì
  1. to dispel (enmity, misunderstandings etc)
  2. to vanish (of misgivings, differences of opinion)
  3. thaw (in relations)
2 前嫌 qiánxián
  1. former hatred
  2. bygone enmity