Characters
- 通 (通): to go through; to know well; (suffix) expert; to connect; to communicate; open; to clear; classifier for letters, telegrams, phone calls etc
- 宵 (宵): night
- 达 (達): surname Da
- 旦 (旦): (literary) dawn; daybreak; dan, female role in Chinese opera (traditionally played by specialized male actors)
Resources
- Wiktionary: 通宵达旦
- MDBG: 通宵达旦
- Examples with 通宵达旦 on Tatoeba
Examples
全体销售人员通宵达旦地工作了一周。