I'm a musician, not a professional musician; I just play a musical instrument for fun.

我是个音乐家，不是专业的音乐家；我只是为了好玩演奏一种乐器。

youdao

Have you ever thought about becoming a professional musician?

你是否考虑过成为一名职业音乐家？

youdao

That was a piss poor performance for a professional musician.

对一个专业音乐家来说，那场表演太差劲了。 。

youdao

Two years later, he decided to leave school and become a professional musician.

VOA: special.2009.05.03

So Musorgsky knew this law of acoustics because he was a professional musician and was playing off of it to create this rather unusual and remarkable musical sound-scape here.

穆索尔斯基明白这个声学规律,因为他是位专业的音乐家,他通过制造这非凡卓越的音乐场景,表达了这个规律

耶鲁公开课 - 聆听音乐课程节选

After a year of college, he dropped out in 2000 to pursue his dream of becoming a professional musician.

WSJ: Grumpy Cat Has an Agent, and Now a Movie Deal

To learn how to play the djembe, Sleiman spent several weeks taking daily lessons from a professional musician from Ghana.

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As a professional musician, I knew Johnny Cash, worked with him a number of times and was invited into his home.

NPR: Johnny Cash's 'Big River'