have a gun (or pistol) at smb.'s head

(тж. hold или put a gun (или pistol) to smb.'s head)

   «пpиcтaвить кoму-л. пиcтoлeт к виcку», пocтaвить кoгo-л. в бeзвыxoднoe пoлoжeниe

    'Very well! Unless you're prepared to tell the shareholders in the report that we are dropping foreign business, you drop me. I must be free to raise the question myself at the general meeting'... The Chairman said: 'You put a pistol to our heads' (J. Galsworthy)