pluck something out of the air
US /plʌk ˈsʌmθɪŋ aʊt əv ðɪ ɛr/
UK /plʌk ˈsʌmθɪŋ aʊt əv ðɪ ɛr/
1.
憑空捏造, 信口開河
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.
他只是憑空捏造了這個數字；它沒有任何真實數據支持。
•
When asked for a solution, she just plucked an idea out of the air.
當被問及解決方案時，她只是憑空想出了一個主意。