“A wake-up call”

“Catch your breath”

To rest until you can breathe normally again.

“Cool as a cucumber”

Very calm, especially under pressure.

“Change your tune”

To change your opinion or attitude.

“Cut and dried”

Already decided and not likely to change.

“Bright and early”

Very early in the morning.

“Call the tune”

To control what happens.

“Cry wolf”

To ask for help when there is no real danger, so people stop believing you.

“Bread and butter”

A person’s main source of income.