keep posted

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释义
保持联系；及时通知某人（中间+sb.）
To continue to inform someone about something so that they have current information.

例句
Linda:Keep me posted.
Frank:I'll talk with Donald, I'll check in with you later in the week.（House of Cards）
琳达：保持联系。
弗兰克：我会找唐纳德谈，这周晚些时候和你联系。（纸牌屋）