英语词汇“hard and fast”的读音、意思、造句、用法及中英文翻译-迷途网

词汇	hard and fast
释义	hard and fast (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。 This situation isn’t hard and fast.这种情况并不困难。 See also fast \| hard
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