thin air片語KK [θɪn ɛr] /θɪn ɛɹ/發音片語1憑空、無中生有、無端多用於 out of thin airShe couldn't just pull the money out of thin air.她不可能憑空拿出這筆錢。2無影無蹤、消失得無蹤多用於 into thin airThe suspect seemed to vanish into thin air that night.那名嫌犯當晚彷彿消失得無影無蹤。3稀薄的空氣Climbers struggle to breathe in the thin air near the summit.登山者在接近峰頂的稀薄空氣中呼吸困難。