Collins p o w e r e d b y c o b u I l d I w orfc

Work on your Phrasal Verbs 
Disaster and destruction

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UNIT 24
go off
If a gun goes off, it is fired and if a bomb goes off, it explodes.
Somebody's gun went off by mistake.
knockout
2 To knock someone out means to cause them to become unconscious or to fall asleep.
The explosion hurt no one, except that it knocked out Colonel Lacour.
He must have fallen and knocked himself out. 
n o te
! The opposite of knock out is bring round.
E To knock something out means to destroy or damage it and stop it from working properly.
A huge storm had knocked all the power out.
Lightning knocked out the city's power grid.
put out
If you put out something that is burning, you cause it to stop burning.
He put the fire out.
The fire was put out very quickly.
reduce to
If something, especially a building or a city, is reduced to a state where it is broken or destroyed or if 
someone reduces it to this state, someone or something breaks or destroys it.
Every building in the town was reduced to rubble.
The fire reduced the house to dust.
run out
E 
If you run out of something, you have no more of it left.
We were rapidly running out of medical supplies.
E If something runs out, it becomes used up so that there is no more left.
There was no water, and food was running out.
run over
If a vehicle or its driver runs over someone or something, the vehicle hits them or drives over them, 
causing injury or damage.
We almost ran over a cat that was crossing the road.
I'm sure he would have run us over.
!~
note
1 You can also use run down and knock down.
wipe out
To wipe someone or something out means to destroy or get rid of them completely.
Epidemics wiped out the local population.
Illegal hunting could wipe the animals out.
write off
If someone writes off a vehicle or other machine, they damage it so badly that it is not worth repairing. [BRITISH] 
She had crashed the car twice, writing it off completely the second time.
He wrote off the car and left a passenger with two broken legs.
99

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TO 
DOWN ] OUT 
OFF 
OUT 
UP
1 BUS BREAKS___________ CAUSING TRAFFIC JAM
2 MALFUNCTION CAUSES POWER PLANTTO BLOW___________
3 POWER CU T___________ FORTHOUSANDS OF CITY RESIDENTS
4 BRIDGE REDUCED___________ RUBBLE IN TRAIN CRASH
5 MILLIONS COULD BE WIPED___________ BY DISEASE
6 FIREFIGHTERS STRUGGLETO PUT___________ BLAZE