Definition from Wiktionary, the free dictionary
|simpl. and trad.|
Literally: carelessness lost Jingzhou
- From the Romance of the Three Kingdoms. Guan Yu had been assigned to defend Jingzhou. In a temporary lapse of judgement, he decided to go on the attack against Cao Cao. In doing so, he unwittingly gave Sun Quan an opportunity to attack Jingzhou. Guan Yu was captured, and later executed.
大意失荊州 (traditional and simplified, Pinyin)