英语翻译

We have an old musical instrument.We call it a clavichord.Someone made it in Germany in 1681.We keep our clavichord in the living room.Our family own it for a long time.My grandfather bought the instrement many years ago.Recently,a visitor damaged it.She struck the keys too hard and broke two of the strings.This shocked my father.Now he does not allow us to touch it.A friend of my father's is repairing it.
被动变为主动,换了个方式表达句子,改变的是强调的对象.
如：My brother repaired the desk.(主动语态,强调的是修桌子的人）
The desk was repaired by my brother.(被动语态,强调的是桌子,是谁修的并不是重点）
I hope that you will satisfy with my answer!
祝你能够在最短的时间内征服英语被动语态,征服英语!