Englishfor English speakers
the
Determiner
—
Used, instead of a, to reference something specific, already known to exist.
Compare "I read a book." and "I read the book."
—
Used with a stress, to show that the word following is special.
Are you the John Smith that I went to school with?
—
Used with an adjective that acts like a noun to mean all of the people concerned
The poor are always with us.
—
Used with superlatives forms of adjectives and adverbs.
You are the best.
vice
Noun
—
A vice is an immoral or bad habit.
Smoking is a vice.
—
A vice is an instrument that consists of two jaws and is closed by a screw or lever. It is used for holding work, such as filing.