十年一日 じゅうねんいちじつ じゅうねんいちにち without intermission for ten (long) years; with constancy of purpose for ten (long) years; in the same old rut for years on end n yoji Advanced ➥
十日の菊 とおかのきく something that comes too late and is useless; like a chrysanthemum prepared for the ninth day of the ninth month of the lunar calendar for the Chrysanthemum festival but that blooms only on the tenth exp Advanced ➥