to become estranged

• 互相疏远

  be estranged from one another

• 在思想感情上疏远

  drift apart mentally and emotionally

• 近来他们的关系疏远了。

  Recently they have drifted apart.

• 他和老朋友们渐渐疏远起来。

  He gradually drifted apart from his old friends.

• 我故意和他疏远。

  I intentionally distanced myself from him.