Englishfor English speakers
weakness
Noun
—
Weakness is the condition of being weak.
She had become very ill, and her weakness kept her from going to the party.
—
A weakness is a fault.
I love the taste of sugar. That's my weakness.
of
Preposition
—
Made using.
It is a house of cards.
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".
—
In some schools, an A is a very high grade.
Ron got an A on his earth science test.
wall
Noun
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One side of a house; a high, flat part of a building.
All four walls of the room are painted in blue.
—
A solid barrier between two areas.
There is a wall between the two gardens.
Peter fell from the wall.