Pluck something out of the air British American phrase
It can also be phrased as "pluck (something) out of thin air."
To say or reply something without having thought about it or knowing whether it is corect
He is very serious and hard-working at work, so I don't believe he's plucking out of thin air.
"Where did you get the information from?" "Oh, I just plucked it out of the air."
She just plucked the price out of the air.
Used to say when you have known about something without being told.
To think carefully and seriously or ponder about someone or something
To help or convince someone to begin thinking reasonably (about something).
To think about an issue or possibility thoroughly and without haste.
The verb "pluck" should be conjugated according to its tense.
Daughter: So I really want all my friends to have a great time. I was thinking it would be a good idea to have some candy out on the tables for people to snack on.
Mother: Well, if you want them to really enjoy themselves, candy is dandy but liquor is quicker.