第1个回答 2013-07-15
直译有点困难，个人翻译是，it"s really good that you can understand it~望采纳
第2个回答 2013-07-15
It is well that you understand it.
第3个回答 2013-07-15
You know what is good
第4个回答 2013-07-15
What you understand is good.
第5个回答 2013-07-15
You know it,very good!