1. You can answer whether you mastered the instrument recently or when you were young. 2. You can also provide additional context, such as how you learned it, any challenges faced, or the motivation behind learning it.

1. 你可以回答你是最近掌握了这项乐器，还是在年轻时掌握的。 2. 你还可以提供更多背景信息，比如你是如何学会的，遇到了什么挑战，或者学习的动机是什么。