[じゅうねんいちじつ;じゅうねんいちにち, juunen'ichijitsu ; juunen'ichinichi](n) without intermission for ten (long) years; with constancy of purpose for ten (long) years; in the same old rut for years on end[Add to Longdo]
[せんねんいちじつ, sennen'ichijitsu](n) without intermission for many years; with constancy of purpose for many years; in the same old rut for years on end[Add to Longdo]