| 词汇 | hen's teeth |
| 释义 | hen's teeth noun the epitome of that which is exceedingly rare AUSTRALIA, 1965hens' teethSomething very scarce (because hens have no teeth). Typically used in phrases like "rarer than hens' teeth." I can hardly believe your brother got an A on his final exam—grades like that are rarer than hens' teeth for him! |
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