shuāng​sù​shuāng​fēi

inseparable

Senses

双宿双飞/ 雙宿雙飛 shuāng​sù​shuāng​fēi inseparable

to live and travel together as a devoted couple; to stay constantly in each other's company

看到他们每天双宿双飞,形影不离,真让人羡慕。

References

see 双栖双宿/雙棲雙宿 双宿双飞/雙宿雙飛