“Food for thought”

“For the time being”

For now; temporarily.

“Cast in stone”

Fixed and impossible to change.

“Cross your mind”

To think of something briefly.

“Cut no ice”

To have no effect or influence.

“Call someone’s bluff”

To challenge someone to prove that what they say is true.

“Chase rainbows”

To try to achieve something unrealistic.

“Eat your words”

To admit that what you said was wrong.

“Break even”

To make neither profit nor loss.