一世一代 | [いっせいちだい;いっせいいちだい(ik), isseichidai ; isseiichidai (ik)] (n, adj-no) once in a lifetime; the first and last occurrence (event, experience) of one's lifetime [Add to Longdo] |
後生一生 | [ごしょういっしょう, goshouisshou] (n) extremely important or once in a lifetime (request); only once in one's lifetime [Add to Longdo] |
後生一生の頼み | [ごしょういっしょうのたのみ, goshouisshounotanomi] (exp) extremely important or once in a lifetime request [Add to Longdo] |
千載一遇 | [せんざいいちぐう, senzaiichiguu] (n) once in a lifetime (opportunity); (a golden opportunity that may) happen only once in a thousand years [Add to Longdo] |