take a raincheck
暂时推迟或拒绝邀请，但保留将来接受的权利
口语·推迟邀约或计划
英文释义
To decline an invitation or offer politely, with the intention of accepting or rescheduling it at a later time.
例句
Sorry, I'm busy Saturday. Let's take a raincheck for next week.
典故来源
同'take a rain check'，是更口语化的拼写，源自棒球比赛延期制度。