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表演 is a general term for 'perform (v)' or 'performance (n)'; 演奏 is a specific term for 'perform playing a musical instrument(v)' or 'musical instrument playing performance(n)' You can 表演 (perform) any kind of performance and any performance (表演) can be performed Example: 胸口碎大石,高空踏鋼線,肚皮舞,單手打蛋,倒掛金勾射球,書法,騎射 and so on 演奏 (n) = (musical instrument) playing ...


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演奏 usually means to perform (a piece of music), and 表演 is just to perform or a performance in general. Some examples: 演奏:演奏钢琴、演奏小提琴 表演:舞蹈表演、话剧表演


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要 usually means "want", but there are a few possible definitions to 想, 想 may possibly mean "think", or another possible definition is "want". Some examples: 我想去购物商场。 我要去购物商场。 我想要去购物商场。 When compared, 要 has more confidence in tone compared to 想.


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