中文 Chinese

• 孜孜不倦
• 孜孜不倦

英文 English Explain:

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

孜孜不倦 孜孜不倦 English Pronunciation:

• [zi1 zi1 bu4 juan4]