Read Edit View history 孜孜不倦 zīzībùjuàn assiduous Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 孜孜不倦 · zīzībùjuàn · assiduous 2026/03/04 孜孜不倦 zīzībùjuàn assiduous working with tireless persistence and continuous concentrated effort, especially in study or work 他多年来孜孜不倦地从事科学研究，终于取得了重大突破。 idiom created sense Mar 4, 2026, 02:25 AM