Englishfor English speakers
performance
Noun
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A performance is a show of acting or music.
We went to see a performance by local musicians last night.
The acting was good, but the noise made it difficult to enjoy the performance.
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The performance of a person, machine, company, etc. is how well it does its job.
After a year of losing money, the company needs to improve performance.
This car is a high performance vehicle.
test
Noun
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A test is writing that many learners do in a room at the same time so that people are able to see how much knowledge the learners have.
I'm happy because I got a high mark on the test.
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A test is something someone does to see if something works.
The person did a good test of the machine by pushing all the buttons and watching the machine.
test
Verb
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The action of testing; to try something out to see whether it works.
He tested the software many times.