 |
| |||
| centennially ('More) | |||
| once in a blue moon (My sister lives in Alaska, so I only see her once in a blue moon. Anglophile); once in a purple moon | |||
| раз в сто лет: 12 phrases in 6 subjects |
| Bookish / literary | 1 |
| Electronics | 1 |
| Figure of speech | 1 |
| General | 7 |
| Nautical | 1 |
| Production | 1 |