taste blood
嘗到甜頭；獲得成功的滋味；開始有動力或信心繼續做某事
口語·描述成功激勵
英文釋義
to experience success or victory and become motivated to achieve more
例句
After winning his first race, he tasted blood and trained even harder.
典故來源
源自狩獵或戰斗場景，動物或人嘗到血腥后更興奮，比喻初嘗成功后渴望更多。