Englishfor English speakers
the
Determiner
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Used, instead of a, to reference something specific, already known to exist.
Compare "I read a book." and "I read the book."
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Used with a stress, to show that the word following is special.
Are you the John Smith that I went to school with?
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Used with an adjective that acts like a noun to mean all of the people concerned
The poor are always with us.
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Used with superlatives forms of adjectives and adverbs.
You are the best.
alarm
Noun
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An alarm is a signal that something needs attention or a machine that makes the signal.
I wake up, without an alarm clock, at seven or eight a.m.
People in the restaurant ran out the emergency exit, sounding the alarm.
The safety system was known to be defective and had frequently sent out false alarms.
The hotel did not have fire alarms or a sprinkler system.
A fire in the fry pan set off the smoke alarm.
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Alarm is a feeling of worry or fear.
They watched with some alarm as the speeding car got closer.
This is completely natural and no cause for alarm.
alarm
Verb
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If you alarm someone, you make them feel worried or scared.
The school was alarmed by the number of children failing math.