once in a lifetime |
一世一代 [いっせいちだい;いっせいいちだい(ik)] /(n,adj-no) once in a lifetime/the first and last occurrence (event, experience) of one's lifetime/EntL1576190X/ ------- 千載一遇 [せんざいいちぐう] /(n) once in a lifetime (opportunity)/(a golden opportunity that may) happen only once in a thousand years/EntL1388870X/ |