通宵达旦

tōng xiāo dá dàn

释义

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

通宵达旦 的构成词

• 通 tòng: classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)
• 通宵 tōng xiāo: all night
• 宵 xiāo: night
• 旦 dàn: (literary) dawn; daybreak
• 达 dá: to attain