stran·gle·hold /ˈstræŋgəlˌhold/
  勒頸,壓製自由,抑制,束縛
  stranglehold
       n 1: complete power over a person or situation; "corporations
            have a strangelhold on the media"; "the president
            applied a chokehold to labor disputes that
            inconvenienced the public" [syn: chokehold, throttlehold]
       2: a wrestling hold in which the arms are pressed against the
          opponent's windpipe