to be in each other's pocket
01
いつも一緒にいる, 離れない仲
to be very close to someone and spend most of one's time with them
Dialect
British
disapproving
idiom
informal
例
They both have a soft spot for classic movies.
最近、兄と彼女はいつも一緒にいる。
いつも一緒にいる, 離れない仲