旗開得勝

Simplified: 旗开得胜

qíkāidéshèng ㄑㄧˊ ㄎㄞ ㄉㄜˊ ㄕㄥˋ

    • lit. to win a victory on raising the flag (idiom) fig. to start on sth and have immediate success
    • success in a single move

Character by character

Sources