Traditional Culture Encyclopedia - Photography major - There are 1 bird and 1 swan in the picture. What is an idiom?

There are 1 bird and 1 swan in the picture. What is an idiom?

pair off wing to wing

[bǐyífíI]

The basic definition is compared with wings: wings are next to wings. Qi Fei: Fly in pairs. Metaphor husband and wife congenial, advance side by side in career.

In Jin's "There are Tall Buildings in the Northwest": "Don't complain for a long time, let the singers be happy; Thinking about driving to Hongyu, Han will fly with me. "

The curies embarked on a scientific journey.