to disintegrate; to split into fours and fives

• 政治上四分五裂

  political disintegration

• 敌人内部更加四分五裂。

  The enemy's internal disintegration has worsened.

• 他们把整个村子闹得四分五裂。

  They caused the whole village to fight and become disunited.

• 会议参加者之间矛盾百出，四分五裂。

  Disunity reigned as hundreds of quarrels broke out among the meeting attendees.