孜孜不倦

zīzībújuàn

diligently; assiduously; indefatigably

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persevere

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persevere

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zi1 zi1 bu4 juan4

lit. diligent and never slacking (idiom); continuous concentrated effort, assiduous (in study), to concentrate

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孜孜不倦

zī zī bú juàn

diligently; assiduous and never tired; assiduously; bestir oneself; diligently working without feeling tired; indefatigably; persist in one's study with untiring vigour; study tirelessly; take great pains over; with indefatigable zeal

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孜孜不倦|孜孜不倦 [zī zī bù juàn] ► lit. diligent and never slacking (idiom); continuous concentrated effort ► assiduous (in study) ► to concentrate