Blow hot and cold (about something) verb phrase
You can use the verb "run" instead of "blow" without changing the meaning.
To waver between two opposing opinions about something or someone
I'm blowing hot and cold about whether I should date Mark or not.
He usually texts me but ignore me when we meet. The way he runs hot and cold really makes me confused.
I don't like those who blow hot and cold and don't clearly state their point of view.
Used to describe something which is uncertain.
To keep someone waiting for your decision.
1. To select or be permitted to accompany or follow someone
2. To take part in or collaborate on an activity or program
3. To act in a way that you agree with or follow someone else or their actions
4. To deceive someone for a long time by keeping them in a state of uncertainty or expectancy
Make someone uncertain about your plans or what is going to happen by withholding information
The verb "blow" should be conjugated according to its tense.
To "blow hot and cold" is an idiom that means to change one’s mind, to change one’s opinion toward something or one’s enthusiasm for something. When someone blows hot and cold, others do not know what his true opinion is or what his next actions will be. The idiom is sometimes rendered as run hot and cold. Blow hot and cold is derived from an Aesop fable sometimes known as The Man and the Satyr. In the story, a traveler comes upon a satyr’s cottage. The man blows upon his hands to warm them, and then blows upon his porridge to cool it off. The satyr is shocked by a being who blows hot and cold air. (Source: grammarist.com)
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.