ㄆㄛˋㄌㄧㄢˇsīpòliǎn

撕破脸
  1. 比喻關係破裂澈底翻臉 為了堅持理想不惜合作夥伴撕破臉」。

to have an acrimonious falling-out, to shed all pretense of cordiality, to tear into each other