双宿双飞

Traditional (Taiwan): 雙宿雙飛

shuāngsùshuāngfēi ㄕㄨㄤ ㄙㄨˋ ㄕㄨㄤ ㄈㄟ

    • lit. to rest and fly together (idiom)
    • fig. to live in each other's pockets
    • to be inseparable

Character by character

Sources