Edward,you play so well.But i didn't know you played the piano!

问题描述:

Edward,you play so well.But i didn't know you played the piano!
为什么play要加ed?

因为那是描述以前存在的状态.
应该这样翻译吧
Edward,你弹的太好了.但是我怎么不知道你会弹这玩意?(钢琴)