on thin ice

break the ice

To start to get to know people to avoid social awkwardness and formality.

have a thin time of it

To be in a difficult or precarious situation due to one not having enough money.

ice cool

calm and composed in a difficult situation.

ice maiden

An ice queen; a beautiful but heartless woman.

ice queen

A beautiful but heartless woman.

keep one's stick on the ice

To remain vigilant and ready for action.

keep someone on ice

To keep someone uninformed and waiting for a response.

out of thin air

From nowhere or nothing; from a non-existent or unknown source.