cacophonous

adj.发音不和谐的,粗腔横调的

（指声音）刺耳的；不和谐的；音乐中的乐音或和声出现了不该有的音符或和弦，或是没有和谐的成分。

形容词

1. The cacophonous noise from the construction site made it difficult to concentrate.
从施工现场传来的刺耳声音使人难以集中注意力。
2. The band's performance was cacophonous, with discordant guitar riffs and off-key singing.
该乐队的演出很不和谐，吉他的旋律不和谐，歌唱也是走音的。