pluck something out of the air

US /plʌk ˈsʌmθɪŋ aʊt əv ðɪ ɛr/
UK /plʌk ˈsʌmθɪŋ aʊt əv ðɪ ɛr/
"pluck something out of the air" picture
1.

mengambil dari udara, mereka-reka

to say something that is not based on any facts or evidence

:
He just plucked that number out of the air; it's not based on any real data.
Dia hanya mengambil nombor itu dari udara; ia tidak berdasarkan data sebenar.
When asked for a solution, she just plucked an idea out of the air.
Apabila ditanya untuk penyelesaian, dia hanya mengambil idea dari udara.