中文词 · Chinese word
夜以继日
yè yǐ jì rì — night and day (idiom); continuous strenuous effort
HSK 3.0 L7, HSK newest L7 · study the lists
中文词 · Chinese word
yè yǐ jì rì — night and day (idiom); continuous strenuous effort
HSK 3.0 L7, HSK newest L7 · study the lists