名詞 roof:

1. a protective covering that covers or forms the top of a building
2. protective covering on top of a motor vehicle

動詞 roof:

1. provide a building with a roof; cover a building with a roof

1. The roof of the tunnel was supported by wooden props.
   坑道頂用木柱支撐。
2. The wind was whispering in the roof.
   屋頂上風聲颯颯。
3. Snow sifted through the crack in the roof into the room.
   雪從屋頂上的裂縫飄進屋里。
4. Has your roof a sharp slant?
   你的屋頂是否有一個陡峭的斜面？
5. You're only laying up trouble (for yourself) by not mending that roof now.
   你不趁現(xiàn)在修理房頂將來給自己找麻煩。
6. The roof of the old house caved in.
   那棟舊房子的屋頂塌下了。
7. She went through the roof when I told her I'd crashed her car.
   我告訴她我把她的汽車撞壞了，她氣得大發(fā)雷霆。
8. She and I can't live under the same roof.
   她和我不能住在一起。

roof

n.（名詞）

The exterior surface and its supporting structures on the top of a building.
屋蓋，屋頂構(gòu)架：建筑物頂部的外表面及其支撐結(jié)構(gòu)
The upper exterior surface of a dwelling as a symbol of the home itself:
房屋，住處：作為家的象征的住宅的外表面上部：
例句：
three generations living under one roof.
住在一個屋頂下的三代人

The top covering of something:
頂，頂部：某物的頂層覆蓋物：
例句：
the roof of a car.
車頂

The upper surface of an anatomical structure, especially one having a vaulted inner structure:
室頂，蓋：尤指解剖結(jié)構(gòu)有拱狀內(nèi)部結(jié)構(gòu)的上表面：
例句：
the roof of the mouth.
口腔頂

The highest point or limit; the summit or ceiling:
最高限度：最高點；極點或頂峰：
例句：
A roof on prices is needed to keep our customers happy.
最好使最高物價能讓我們的顧客滿意

v.tr.（及物動詞）
roofed,roof.ing,roofs
To furnish or cover with or as if with a roof.
裝飾或仿佛給…蓋上屋頂

<習慣用語>go through the roof【俚語】
To grow, intensify, or rise to an enormous, often unexpected degree:
增長、加強或上漲到極大且通常出乎意料的程度：
例句：
Operating costs went through the roof last year.
去年的手術費用已漲到登峰造極的程度

To become extremely angry:
暴跳如雷，大發(fā)雷霆：
例句：
When I told her about breaking the window, she went through the roof.
她聽我說有關砸碎窗戶的事時大發(fā)雷霆

raise the roof【俚語】
To be extremely noisy and boisterous:
極其吵鬧，喧嘩：
例句：
The participants plan to dance, drink, and generally raise the roof at tonight`s party.
參與者們計劃在今晚的聚會上跳舞、飲酒及總之是極盡喧鬧之能事

To complain loudly and bitterly:
大聲且強烈地抱怨：
例句：
Angry tenants finally raised the roof about their noisy neighbors.
憤怒的房客終于對吵鬧喧嘩的鄰居提出強烈抗議

來源：
Middle English
中古英語
from Old English hrôf
源自 古英語 hrôf