英语高手翻译：“汉语中没有这种说法”

“汉语中没有这种说法”There is no this kind of saying in chinese.
“以你现在的词汇量，远不够达到读这本书的水平”The current level of vocabulary you have is far to understand this book.

There is no Chinese equivalent for this expression.
Your vocabulary is not sufficient for (reading) this book.

Your vocabulary is too small to reach this book's level.

或

Your vocabulary is still a long way off reaching this book's level

you can't say it like this in chinese
you can't understand this book as you are poor in english words

This is not Chinese. You are now in the vocabulary, much less time to reach the level of this book