孜孜以求 zī zī yǐ qiú 🔊 diligent and tireless (idiom) + Keep this word Meanings zī zī yǐ qiú diligent and tireless (idiom) Its characters 孜zīused in 孜孜[zi1 zi1]以yǐto useHSK 5求qiúto seekHSK 6