recusal       
noun [ C or U ]  law mainly US specialized uk/rɪˈkjuː.zəl/ us/rɪˈkjuː.zəl/
 (法官或陪审团成员等因为利益冲突而)回避
the fact of a judge or a member of a jury not being involved in a trial because they have a special interest in its final result
  The defense lawyers will have to decide whether to file a motion for recusal.  辩护律师必须决定是否提出回避请求。 
 The reasons for recusals are never publicly disclosed. 从来没有公开披露回避的原因。 
 - More examples
 - His recusal from the case might be considered a blow to the defendant's chances.
 - I will remain alert to the possible need for recusal where appropriate.
 - There is no evidence that the recusals have disrupted the court system.