求 You can set your teeth in it.的意思,

问题描述:

求 You can set your teeth in it.的意思,
上下文是 One thing is certain:this book is practical.You can set your teeth in it.

set sb.'s teeth是一个固定用法,意思是,要紧牙关,下决心对付困难.
你能要紧牙关对付它.