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pīnyīn
ㄅㄆㄇㄈ
zīzībùjuàn
assiduous
孜孜不倦
lit. diligent and never slacking (idiom); continuous concentrated effort; assiduous (in study); to concentrate
Not found in HSK word list
Appears in 0.1762% of movies
34205th most common word in movies
29892nd most common word in books
CC-CEDICT