gun down

动词

中文：枪毙

To kill by means of a firearm, especially deliberately and in a brutal manner. (transitive)
To shoot down; to put an end to. (figuratively, transitive) · The CEO gunned down that idea before we could present it to the board.
To masturbate while making sustained eye contact with someone — typically a female prison officer — as a form of intimidation. (US, slang, transitive)

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