keep someone posted
及時告知某人最新消息
口語·日常溝通或工作匯報
英文釋義
To keep someone informed or updated about a situation or information
例句
I'll keep you posted on the project progress as soon as I hear back from the team.
典故來源
源自軍事用語,原指在戰場上通過哨兵傳遞最新情報,后來引申為隨時向他人更新信息。