Englishfor English speakers
in
Preposition
—
Used to show that something is inside something else.
The cat is in the box.
—
Used to show that someone is at home, or is available.
Is John in?
The Doctor is now in.
—
Used to show movement towards the inside.
The rain came in through the window.
sad
Adjective
—
When someone feels sad, they have a bad feeling because of a loss or other problem. They are not happy.
The sad girl cried.
—
When something is sad, it makes you feel unhappy.
It was a sad movie.
Death is a very sad thing.
earnest
Adjective
—
If someone is earnest, they are serious and truly believe in what they say or do.