| 词汇 | hard-and-fast |
| 释义 | hard-and-fast 1 ENTRIES FOUND: hard-and-fast (adjective) hard-and-fast /ˌhɑɚdn̩ˈfæst/ Brit /ˌhɑːdn̩ˈfɑːst/ adjective hard-and-fast /ˌhɑɚdn̩ˈfæst/ Brit /ˌhɑːdn̩ˈfɑːst/ adjective Learner's definition of HARD-AND-FAST — used to say that something (such as a rule) cannot be changed（规定等）严格的，不容更改的 a hard-and-fast rule严格的规定 |
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