堅けん忍にん持じ久きゅうけんにんじきゅうじ字FuriganaAudioMeanings1noundogged perseverance; untiring patienceA somewhat formal or literary noun describing the quality of enduring hardship with unwavering determination and patience.彼かれの堅けん忍にん持じ久きゅうの精せい神しんが、ついに難なん事じ業ぎょうを成せい功こうさせた。Break this sentence down in the analyzerHis spirit of dogged perseverance finally brought the difficult project to success.この仕し事ごとには堅けん忍にん持じ久きゅうが求もとめられる。Break this sentence down in the analyzerThis job requires untiring patience.