Definition
to swiftly compose and dispatch a message
迅速寫下並傳送（訊息）
She shot off an email to her colleague to quickly relay the latest updates.
她迅速發了一封電子郵件給同事，以快速傳達最新更新。
After the meeting, he shot off a few key points to the team.
會議結束後，他迅速發送了一些關鍵點給團隊。
He always manages to shoot off replies in no time.
他總是能夠迅速回覆訊息。