pedantry       
noun [ U ]  disapproving uk/ˈped.ən.tri/ us/ˈped.ən.tri/
 迂腐,学究气,谨小慎微
the quality of being too interested in formal rules and small details that are not important
  There was a hint of pedantry in his elegant style of speaking. 他优雅的语言风格中带着一丝迂腐。 
 His speech was precise to the point of pedantry. 他的发言过于专注细节,学究气太重。 
 See: pedant
 - More examples
 - It is not mere pedantry to insist on the proper use of grammar.
 - She recognizes the pedantry of the narrator's style.
 - His only fault was a tendency towards pedantry.