run hot and cold
run hot and cold
To vacillate between two opposing or starkly different states, opinions, or behaviors. Dan: "So, how are things going between you and Mallory?" Sarah: "Hard to tell. She runs hot and cold one day to the next, so I can never tell how she really feels!" The boss has been running hot and cold about whether or not we're going through with this project. I wish she would just make a decision!
See also: and, cold, hot, run
Farlex Dictionary of Idioms.
- blow hot and cold
- blow hot and cold, to
- quot homines tot sententiae
- tot
- or otherwise
- be strange bedfellows
- be/make strange bedfellows
- bedfellow
- make strange bedfellows
- odd bedfellows