大意失荊州

Simplified: 大意失荆州

yishījīngzhōu ㄉㄚˋ ˙ㄧ ㄕ ㄐㄧㄥ ㄓㄡ

    • lit. to lose Jingzhou due to carelessness (idiom)
    • fig. to suffer a major setback due to negligence

Character by character

Sources