Englishfor English speakers
frustration
Noun
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Frustration is the bad feeling of not being able to do what you want to do.
He stood on a chair, but to his frustration, he still could not reach the jar.
—
A thing that frustrates.
of
Preposition
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Made using.
It is a house of cards.
contract
Noun
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A contract is a legal agreement to trade goods, services and/or property. It's usually written down.
If you would just sign this contract, the car will be yours.
In Japan, most worker’s employment contracts last until the age of sixty.
My father’s employment contract is for forty years.
You must look over the contract before you sign it.
contract
Verb
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If something contracts, it gets smaller.
As the wood dries out, it contracts.
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If you contract someone to do a job, you enter into a contract with them.
We've contracted a cleaning company to take care of the office.
When there's too much work, there are a number of small firms to which we will contract it out.
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If you contract a disease, you become sick with it.
It's hard to understand why people risk contracting sexually transmitted diseases.
He contracted the flu.