Definition
To experience significant pressure due to the need to complete a task by a specific deadline or under particular constraints.
感到有日期和規則的壓力
He's really under the gun to finish the report by tomorrow.
他必須在明天之前完成報告，壓力真的很大。
The project manager is under the gun to submit the proposal by next week.
專案經理必須在下週前提交提案，壓力很大。
She's under the gun to prepare the presentation on short notice.
她必須在短時間內準備好簡報，壓力很大。