Englishfor English speakers
low
Adjective
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If cost, value, amount, sound, temperature, etc. is low, it is small.
My pay is very low, so it's hard to live here.
Poor people need low-cost apartments.
The temperature will go down over night and tomorrow it will be lower than it was today.
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If something is low, it (or its top) is close to the ground.
The bridge is too low for the truck to go under it.
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If something is low quality, it is bad.
I bought a low-quality bag and it already has a hole in it.
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If a sound is low, it is small in frequency or quiet.
On the piano, the left hand plays the low notes and the right hand plays the high notes.
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If a person is feeling low, they are not happy.
cost
Noun
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The cost of something is the price that a person pays for it.
What is the cost of the car?
cost
Verb
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When you say that a thing costs, you say that one must pay in order to buy it.
That diamond ring costs a great deal of money.
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One may say that an action costs a certain bad result.
It cost me my job when I broke the machine.
To commit a crime will cost you.
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When you estimate a cost or set a cost, you cost a thing.
The repair man costed the work to fix the car.
machine
Noun
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A machine is a man-made object with moving parts.
I'm putting the clothes in the washing machine. Is there anything you want washed?
This new machine is the fastest computer I've ever had.
machine
Verb
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If you machine something you fasten or shape it with a machine.