ice maiden

break the ice

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

flesh one's maiden sword

To experience or succeed in combat or struggle for the first time, as in the military or in politics.

ice cool

calm and composed in a difficult situation.

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.

on thin ice

Dangerously, hazardously, delicately.

put someone on ice

To postpone or delay an interaction with someone.