Englishfor English speakers
a
Determinative
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A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
sharp
Adjective
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Having a cutting edge; not dull.
He has a sharp knife.
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Intelligent or quick to learn.
That girl is sharp.
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Strong in flavor.
That lemonade is sharp.
I would like sharp Cheddar cheese.
sharp
Noun
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A blade, especially a sword used in fencing, with a sharp tip.
Jesse preferred to practice with sharps.
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A sharp is a note that is one half step above the one that is named.
wit
Noun
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sanity
Bob lost his wits and went crazy