under one roof | under the same roof成語所屬單字roofunder one roof | under the same roofunder one roof | under the same roof — 慣用語慣用語1. In the same building or house.1.慣用語釋義在同一屋簷下In the same building or house.例句The museum has art and science exhibits under one roof.Can two families live peacefully under the same roof?