pluck something out of the air
成語所屬單字air
pluck something out of the air — 慣用語
1. To say a name, number, etc. without thinking, especially as an answer.
1.慣用語
釋義
隨口說出
To say a name, number, etc. without thinking, especially as an answer.
例句
He plucked a random number out of the air.
When asked, she plucked a name out of the air.