When I was young, I used to play the piano.
当我年轻的时候我常弹钢琴。
A Is it true you used to play the piano?
A 你过去弹过钢琴是真的吗？
B Yes, but it was a long time ago. When I was young, I used to play the piano.
B 是的，但是那是很久以前的事了。我年轻的时候弹过钢琴。
A But you don’t play any more?
A 但是你现在再也不弹了吗？
B No, I don’t have time. Also, I stopped practicing years ago – and you have to keep practicing.
B 是的，我没有时间。还有，我很多年前就不练了——你得一直练习才行。
A That’s true. Especially with the piano, you must keep practicing.
A 确实如此。钢琴尤其是这样。你必须坚持不懈。
B Well, maybe I should start playing again.
B 哦，也许我应该重新开始弹钢琴。

Notes注释
1 Remember the verb phrase used to . . . / used to . . . when you talk about something you did in the past for a period of time but no longer do, e.g. I used to play the piano / I used to play the piano ; I used to live in Shanghai, now I live in Beijing / I used to live in Shanghai, now I live in Beijing.
当你谈论你在过去曾经做过一段某事，但是现在不做了，用动词短语used to . . . / 过去曾 . . .例如I used to play the piano /我过去曾经弹过钢琴: I used to live in Shanghai, now I live in Beijing /我过去住在上海，现在住在北京。
2 Remember also various time phrases, e.g.: a long time ago / a long time ago ; any more / any more ; years ago / years ago, e.g.: I don’t play the piano any more / I don’t play the piano any more ; I used to play years ago / I used to play years ago.
记住不同的时间短语，例如: a long time ago /很久以前; any more /再也(不);years ago /很多年以前。例如I don’t play the piano any more /我再也不弹钢琴了。; I used to play years ago / 我多年以前弹过。

Key phrases and sentences
Is it true you used to play the piano?
Yes, but it was a long time ago. 
When I was young, I used to play the piano.
But you don’t play any more? 
No, I don’t have time. 
Also, I stopped practicing years
ago – and you have to keep practicing.
That’s true. Especially with the
piano, you must keep practicing.
Well, maybe I should start playingagain.

你过去真的弹过钢琴吗？
是的，但是那是很久以前的事了。
我年轻的时候弹过钢琴。
但是你现在再也不弹了吗？
是的，我没有时间。
还有，我很多年前就不练了,
你得一直练习才行。
确实如此。钢琴尤其是这样，
你必须坚持不懈。
哦，也许我应该重新开始弹钢琴。