Mastering an instrument is no easy feat.

精通一种乐器并非易事。

You can master one instrument, what would it be?

你可以掌握一门乐器，会是什么乐器呢？

It takes time, patience, and practice to master an instrument.

掌握一种乐器需要时间、耐心和练习。

Those are all important things, of course, if you are going to master an instrument.

当然，如果你想掌握一门乐器，这些都是重要的事情。