One of the mysteries of the English language finally explained.
1Produce a piece of work quickly and without much effort.
produce, make, turn out, create, construct, assemble, fashion, put together, fabricateView synonyms
- ‘The boys amble about swapping melodies whilst knocking off a string of sunshine West Coast pop hits with unerring ease.’
- ‘I've been up for an hour or so knocking off a couple of pieces two whole days before the deadline.’
2Deduct an amount from a total.‘when the bill came they knocked off £600 because of a little scratch’
deduct, take off, subtract, take away, dock, debit, removeView synonyms
- ‘Economists have calculated that a $10 a barrel rise in oil prices knocks about 0.5 percentage points off world growth after 12 to 18 months.’
- ‘Opting for third-party insurance consistently knocks about a third off the cost of your premium.’
- ‘The argument is that it will save the consumers on the their weekly shopping bill, knocking about 500 off the total annual grocery bill.’
- ‘And don't forget to mention that immobilizer and alarm - they could each knock 10% off your quote.’
- ‘The food was bad, though, and we sent it back and they knocked the charge off our bill.’
- ‘The very least they could do is knock a few pounds off our electricity bills, just as a gesture of good faith.’
- ‘Turn down your central heating: a one-degree adjustment on your thermostat could knock hundreds of pounds off your fuel bill.’
- ‘Most economists' models are built on what happened in the '70s, and they tell us basically that each $US 10 rise in the oil price knocks about 0.5 per cent off economic growth.’
- ‘A slightly more restrictive exhaust system knocks 5 hp off the engine's 220 hp output.’
- ‘The government is now trying to persuade its largest creditors to knock some $4 billion off that figure.’
3British Steal something.
steal, purloin, take, make off with, abscond with, pilfer, misappropriateView synonyms
- ‘She'd heard about all the trouble we'd been having with vandals and thieves knocking our gear off, so she said she would feel safer if the posters were inside.’
- 3.1North American Rob a shop or similar establishment.
- ‘If their children develop behavioral disorders at school, drop out, turn to drugs and begin knocking off 7-Elevensthey won't be surprised.’
- ‘First they're nicking comic books, then knocking off whole banks!’
- 3.2 Make an illegal copy of a product.
- ‘Oh, well, they'll probably sell a load of them at that price before some knocks it off for $5.’
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