be (all) brothers/sisters under the skin(redirected from are sisters under the skin)
be (all) brothers/sisters under the skin
Of two or more people, to have thoughts or feelings in common, despite other obvious differences between them. As much as you dislike your chatty new co-worker, she's as nervous and insecure as you are—you're really sisters under the skin.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be (all) brothers/sisters under the ˈskinbe men/women with similar feelings, in spite of outside appearances, position, etc: Actors and politicians are brothers under the skin. They both need public approval.
Farlex Partner Idioms Dictionary © Farlex 2017