通宵达旦

tōngxiāodádàn

通宵达旦 — tōngxiāodádàn

  1. overnight until daybreak; all night long

    我们为了赶报告通宵达旦,第二天都很困。 wǒmen wèile gǎn bàogào tōngxiāodádàn dìèrtiān dōu hěnkùn — We stayed up all night to finish the report and were very tired the next day.