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	hard and fast (especially after a negative) 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。 This situation isn’t hard and fast.这种情况并不是一成不变的。 See also fast \| hard
随便看	run-over run over something run past run-past run play run-play run rings around/round somebody run rings around somebody run rings round somebody run riot run roughshod over sb run roughshod over somebody run round in circles runs runs along run sb ragged runs down runs dry runs off run somebody close run somebody into the ground run somebodyout run somebody ragged run somebody/something close run somebody/something into the ground

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。