dissonance
noun [ U ] uk/ˈdɪs.ən.əns/ us/ˈdɪs.ə.nəns/
music specialized不和谐音
a combination of sounds or musical notes that are not pleasant when heard together
the jarring dissonance of Klein's musical score 克莱因乐谱中刺耳的不和谐音
formal分歧，异议
disagreement