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music 音乐 a short passage, usually near the end of a piece of classical music, that is played or sung by the soloist alone, and intended to show the performer’s skill 华彩段，华彩乐段（通常在古典乐曲结尾，以突显独唱或独奏演员的技巧） - (South African English)
if somebody has a cadenza, they react suddenly and angrily to something, especially in a way that seems unreasonable or humorous （尤指无端的或滑稽的）暴怒，大发雷霆
Word Originmid 18th cent.: from Italian, based on Latin cadere ‘to fall’.