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通宵达旦

tōng xiāo dá dàn

4-character word Traditional 通宵達旦

What 通宵达旦 means

1. overnight until daybreak (idiom); all night long
2. day and night

The characters in 通宵达旦

• 通tōngto go through; to know well; (suffix) expert
• 宵xiāonight
• 达dáto attain; to reach; to amount to
• 旦dàn(literary) dawn; daybreak; dan, female role in Chinese opera…

Example sentences

• 全体销售人员通宵达旦地工作了一周。
  Quántǐ xiāoshòu rényuán tōngxiāo-dádàn de gōngzuò le yī zhōu.
  The entire sales staff has worked around the clock for a week.