Definition
to swiftly compose and dispatch a message
迅速写下并传送（信息）
She shot off an email to her colleague to quickly relay the latest updates.
她迅速发了一封电子邮件给同事，以快速传达最新更新。
After the meeting, he shot off a few key points to the team.
会议结束后，他迅速发送了一些关键点给团队。
He always manages to shoot off replies in no time.
他总是能够迅速回复消息。