black out

• n.
  • a suspension of radio or tv broadcasting

    同义词： blackout

  • darkness resulting from the extinction of lights (as in a city invisible to enemy aircraft)

    同义词： blackout brownout dimout

  • the failure of electric power for a general region

    同义词： blackout

  • a momentary loss of consciousness

    同义词： blackout

  • partial or total loss of memory

    同义词： amnesia memory loss blackout

• v.
  • obliterate or extinguish
  • darken completely

    同义词： blacken out

  • suppress by censorship as for political reasons
  • lose consciousness due to a sudden trauma, for example

    同义词： zonk out pass out

以上来源于: WordNet