on a roll
连胜的
口语·表达连续成功或好运
英文释义
experiencing a series of successes or good fortune; in a period of continued progress or achievement
例句
She's been on a roll lately, winning three competitions in a row.
典故来源
源自赌博或游戏中的连续好运，如骰子连续滚出好点数，后泛指一系列成功。