discord  
noun uk/ˈdɪs.kɔːd/ us/ˈdɪs.kɔːrd/
  (DISAGREEMENT)      
  [ U ] formal看法不一致,缺乏共识 
the state of not agreeing or sharing opinions
  marital discord 婚姻不和 
 A note of discord has crept into relations between the two countries. 两国关系中悄然出现了不和谐的音符。 
 Compare: concord
   (SOUND)     
 [ C or U ] music specialized不和谐音 
a group of musical notes that give an unpleasant sound when played together