孜孜不倦 (zi1 zi1 bat1 gyun6) — 埋頭苦幹 in Cantonese
ziˉ¹孜ziˉ¹孜batˉ¹不gyunˍ₆倦Mandarin Pinyin: zi1 zi1 bu4 juan4
Meaning of 孜孜不倦
noun埋頭苦幹
noundiligently; assiduously; indefatigably; with tireless energy; with unfailing assiduity
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