disown

vt.

1. 不承認……是自己的；否認；聲明和……斷絕關係[W]
   She disowned any hand in the matter.

   她否認插手過那件事。

   The man was so cruel that his friends disowned him.

   那傢伙太殘忍，朋友們都和他斷絕關係。