Leave them hanging in midair verb phrase
The verb "leave" can be replaced by "keep".
Used to describe a situation in which problems have not been delivered, or giving response and decision to someone has been delayed and keep them waiting for it
If you leave them hanging in midair one more time they won't collaborate with us anymore.
He hasn't answered their question yet and still left them hanging in midair
To keep someone suspended in midair when the thing that holds them up is removed.
I completely lost my mind when the ladder collapsed and left me hanging in midair.
To delay taking action to solve something
1. To stretch or lengthen something, usually a string or cord of some type
2. To extend, postpone, or make longer than it usually would
1. To stop, delay or diminish something
2. To ignore or end social contact with someone; to separate someone from others
To delay or postpone something that is predicted to be unpleasant, difficult or annoying for as long as possible
The verb "leave" should be conjugated according to its tense.
The phrase originated from high-fives. When someone raises their hand for a high-five but the other person doesn't respond to it, their hand will be left hanging in the air. Therefore, it's considered rude to not return a high-five.