PLUCK STH OUT OF THE AIR


Meaning of PLUCK STH OUT OF THE AIR in English

to say a name, number, etc. without thinking about it, especially in answer to a question :

I just plucked a figure out of the air and said: 'Would £1 000 seem reasonable to you?'

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.