back-to-back

back-to-back

I

ˌback-to-ˈback¹ adjective [only before noun]
happening one after another:
    They have had five back-to-back wins.

II

back-to-back² noun [countable] British English
a house in a row or terrace built with its back touching the back of the next row of houses

back-to-backBrE /ˌbæk tə ˈbæk/ 🔊NAmE /ˌbæk tə ˈbæk/ 🔊 noun (BrE) a house in a row of houses that share walls with the houses on each side and behind 连背排房（侧面和背面与其他房屋相连接）◆back-to-backs built for the poor in the 19th century19 世纪为贫民建造的连背排房