off and running
成功开始并取得良好进展
口语·表达项目或活动成功启动
英文释义
to start or begin something energetically and successfully
例句
Once we got the funding, the project was off and running.
典故来源
源于赛马比赛，马匹冲出起跑线后迅速进入状态，比喻事情顺利启动。