black something out
phrasal verb with black verb [ T ] uk/blæk/ us/blæk/
(COVER)
mainly UK遮盖；遮挡
to cover a face or a name so that it cannot be seen
In the TV interview, they blacked out the victim's face. 在电视采访中，他们遮挡住了受害人的脸部。
(NO LIGHT)
（尤指通过遮盖或关灯）使变暗
to make a place dark, especially by covering or switching off all the lights
The entire city was blacked out overnight. 全市通宵停电。
See also: blackout (HIDING)