overfocus       
 noun [ S ] (also over-focus) uk/ˌəʊ.vəˈfəʊ.kəs/ us/ˌoʊ.vɚˈfoʊ.kəs/
 过分专注
too much attention given to one particular person, subject, or thing 
  He warns against an over-focus on punishment rather than rehabilitation. 他警告不要过分关注惩罚而不是康复。 
 She questioned why there had been the huge overfocus on uniform policy.
 - More examples
 - A relaxing bath will sometimes stop an unhelpful over-focus on your worries.
 - I could not understand their overfocus on what were, to me, the least interesting aspects of the situation.
 - The scandal led to an overfocus in the media on the private lives of politicians.