骨子里，我爱音乐，也懂音乐。

Essence, I love music, but also to understand music.

不懂音乐，也就没有音乐可言了。

I couldn't understand music, so there was no music anymore.

我朝他喊，说他不懂音乐。

I yell at him, saying he has no taste about music.

John是一只懂音乐的大肥猫。

John is a musical fat cat.

这孩子弹起钢琴来家好像天生很懂音乐似的。

The boy plays piano as though he has a natural ear for music.

柔丝：懂音乐而且爱音乐的人。他还必须浪漫才行。我想要一个浪漫如唐璜的人。

Rose:A man who knows and loves music. He should be 2)romantic, too. I want a 3) Don Juan.

例如：如果一个人不懂音乐或音乐演奏得很糟糕，那么他为什么还要演奏呢?他首先应该独自练习。

For example: why play a piece of music if one doesn't understand it or if one plays it badly anyway?