have a knowledge of 和 have an idea of
问题描述：
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 of
have an idea of / have no idea of
另外,有have no knowledge of这种用法吗?
答
have a knowledge of 倾向“常识”、“知识”的认知了解.比如：She has a good knowledge of French.她的法语很好.We need a guide who has a good knowledge of Chongqing's history.我们需要一个熟知重庆历史的导...