 |
| |||
| hardly ever; very seldom; very occasionally (Anglophile); once in a way; scarcely ever; as rare as dogs in space (VLZ_58); once in a blue moon (Andy) | |||
| very rare (классификация нежелательных побочных реакций по частоте развития paseal) | |||
| onсе in a blue moon (Сomandor) | |||
| |||
| one in a thousand | |||
| rare as hen's teeth; rare as rocking horse shit | |||
| very scarce | |||
| scarce as ice water in hell | |||
| very rare | |||
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| exotic (Among the exotic kinds of nuts are the bambarra groundnut from tropical Africa, the Chile hazel... I. Havkin) | |||
| очень редко: 35 фраз в 9 тематиках |
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| Загальна лексика | 10 |
| Макаров | 15 |
| Математика | 1 |
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| Морський термін | 3 |
| Океанологія та океанографія | 1 |
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| Програмування | 1 |