请问有a knowledge of这个用法吗?在什么情况下

请问有a knowledge of这个用法吗?在什么情况下 have a knowledge of 和 have an idea of用在“了解”这个意思,knowledge和idea用法有什么区别吗?比如：have a knowledge of / have a good knowledge ofhave an idea of / have no idea of另外,有have no knowledge of这种用法吗? 请问the knowledge 和 a knowledge 有什么区别 a working knowledge of 请问a specialized body of knowledge 中的body 请问 general acknowledge of 和 general knowledge of 如果有,区别在哪里?用在信函当中 need a knowledge of有这用法吗?是什么意思? a powerhouse of knowledge是什么意思? have a good knowledge of这个短语的意思是什么,以及它的用法是什么,例外就是knowledge具体用法? a wide range of knowledge =a wide knowledge吗 请问 这个句子包含从句He had seldom that familiar personal knowledge of him. 英语翻译合格的导游,就必须熟悉这个国家的历史和文化.To be a qualified tourist guide,one is ought to have a good knowledge of the history and culture of the country.请问下,这个翻译有什么不合适不地道的地方么? The book is a b_____ of knowledge. cover a wide range of knowledge He has a wide knowledge of history have (a) good knowledge of English中该不该有a? 冠词选择I want an asssiant with __ knowledge of English and experience of office routine,答案上是a,可是knowledge不可数,为什么用a? 英语是have the knowledge of English还是have a knowledge of English