Idioms | List of Idioms

Keep an eye on someone/something

Meaning:

Watch someone/something carefully to make sure everything is all right

If you keep an eye on someone or something, you watch him/her/it carefully because you don't trust him/her or want to see what happens.


Example:

He can be very dangerous. Always keep an eye on him.

They have been keeping an eye on the volcano day and night for more than a year.

Keep one's bed

Meaning:

Stay in bed because of sickness or other cause.

If you keep your bed, you keep lying on bed because you are sick.

Example:

Is Nancy sick?
Yes, very. She keeps her bed all day.

Kick the bucket

Meaning:

Die

If you say someone kicked the bucket, you mean someone died.
This is an informal expression. (a kind of slang)

Example:

That old guy finally kicked the bucket last week.

When I kick the bucket, bury me on top of that mountain.

Kill time

Meaning:

Do something that is not very useful to keeps yourself busy while you are waiting for something to happen.

If you kill time, you do something that is not important or interesting you don't want to get bored while waiting for something.

Example:

Ryan sometimes goes to the bookstore to kill time between classes.

We killed time talking and playing games until the bus arrived.

Know something by heart

Meaning:

To know something perfectly.

If you know something by heart, you know it very well and remember everything about it.


Example:

Sam is really a walking dictionary. He looks as if he knows the whole dictionary by heart.

Melissa loves Shakespeare. She has seen all of his plays so many times that she knows all the lines by heart.