| 释义 |
black out
intransitive verb
1.
a. : to turn off the stage lighting in order to indicate the end of a theatrical performance or of a scene in a play
b. : to become enveloped in darkness
< as the heroine speaks this line the scene blacks out >
< astronomers have observed that stars sometimes black out >
2.
a. : to undergo a transient dulling or loss of vision or consciousness as a result of temporary impairment of cerebral circulation or retinal anoxia, traumatic emotional blows, or an alcoholic bout
< an airplane pilot may black out while pulling out of a dive >
b. : to have a lapse of memory
c. : to lose consciousness
< became ill and blacked out behind the wheel — Springfield (Massachusetts) Union >
3.
a. : to make an object or area invisible or less conspicuous by extinguishing or screening all lights for protection especially against air attack
< my orders are to black out at sunset >
b. : to become invisible or less conspicuous by the extinguishing or screening of all lights for protection especially against air attack : become blacked out
< I have a truck to sleep in … It can … black out, and has a huge map board so one can work at night — G.S.Patton >
4. : to become inoperative or ineffectual : cease to exist or act
< shortwave radio transmission blacked out because of a sunspot >
< telephones blacked out over a wide area >
transitive verb
1.
a. : to envelop in darkness
< power failure blacked out the city >
especially : to make (an object or area) invisible or less conspicuous by extinguishing or screening all lights for protection against air attack
< the city was blacked out >
b. : to extinguish or screen especially in order to make an object or area invisible or less conspicuous for protection against air attack
< the lights were blacked out >
< we had to black out all our windows >
c. : to debar from transmitting or receiving information and ideas
< a nation that had been blacked out from the rest of the world — Sigrid Arne >
2. : to silence or jam (radio transmission) effectively
3. : to make inoperative, ineffectual, or temporarily nonexistent or insignificant : destroy
< falling trees blacked out several electric power lines >
< some intercollegiate sports were blacked out by the war >
< the newspaper was blacked out by insolvency >
< relief emergencies … must not black out the longer task of recovery — Air Transport >
4. : to cause (a person) to undergo transient dulling or loss of vision or consciousness
< the first drag at the cigarette had nearly blacked him out — J.A.Phillips >
5. : to restrict or forbid the telecasting of (a program to which admission is charged) especially in the area of origination in order to protect gate receipts
< a program blacked out in the city >
: prohibit such telecasting in
< the city is blacked out for this game > |