通宵达旦
Traditional form:
通宵達旦
Pinyin (reading):
tōngxiāodádàn
Definitions:
- overnight until daybreak (idiom); all night long
- day and night
Characters:
- 通 - to pass through, to open, to connect; to communicate; common
- 宵 - night, evening, darkness
- 达 - to reach, to arrive at; intelligent
- 旦 - dawn; morning; day
Traditional characters: