Characters
- 不 (不): no; not so; (bound form) not; un-
- 共 (共): common; general; to share; together; total; altogether; abbr. for 共產黨|共产党[Gong4 chan3 dang3], Communist party
- 戴 (戴): surname Dai
- 天 (天): day; sky; heaven
Resources
- Wiktionary: 不共戴天
- MDBG: 不共戴天
- Examples with 不共戴天 on Tatoeba
Examples
不共戴天的敵人是不朽的朋友。