英语词汇hard and fast怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	hard and fast
释义	●ˌhard and ˈfast (especially after a negative 尤用于否定词后) that cannot be changed in any circumstances 板上钉钉；不容更改◆There are no hard and fast rules about this. 这事没有什么硬性的规定。 See also fast
随便看	hold somethingon hold somethingout hold somethingtogether holds on holds out hold/stand your ground hold sth against sb hold sth at bay hold sth back hold sth back hold sth dear hold sth down hold sth in hold sth in check hold sth off hold sth on hold sth out hold sth over hold sth over sb hold sth together hold sth together hold sth up hold sth↔back hold sth↔down hold sth↔in

英汉双解词典包含314281条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。