a sealed book meaning in English
天书, 高深莫测的事物
Examples
- Books were beyond her interest-knowledge a sealed book .
她不喜欢书本，根本谈不到知识。 - Fifteenth - century art was a sealed book to him
他对15世纪的艺术一无所知。 - I know a little russian , but this is a sealed book to me
我懂一点俄语，但这种语言对我来说如天书一般难懂。 - It ' s a sealed book to me
它对我来说是未知的。