dissonant
他的乐观态度与当前的悲观氛围格格不入。
His optimistic attitude was ___dissonant with the current pessimistic atmosphere.
这些不和谐的音符让整首曲子听起来很不舒服。
The ___dissonant notes made the whole piece sound unpleasant.
金属互相摩擦的刺耳尖啸声在黎明时分的宁静郊外街道上回荡。
The ___dissonant screech of metal grinding against metal echoed through the quiet suburban street at dawn.