roof

1. N-COUNT The roof of a building is the covering on top of it that protects the people and things inside from the weather. 屋顶

...a small stone cottage with a red slate roof. …一座有一个红石板屋顶的小石屋。

2. N-COUNT The roof of a car or other vehicle is the top part of it, which protects passengers or goods from the weather. (车的) 顶篷

The car rolled onto its roof, trapping him. 那辆小汽车翻了个底朝天，把他困在里面。

3. N-COUNT The roof of your mouth is the highest part of the inside of your mouth. 上腭

She clicked her tongue against the roof of her mouth. 她用舌头抵着上腭发出咔哒声。

4. PHRASE If the level of something such as the price of a product or the rate of inflation goes through the roof, it suddenly increases very rapidly indeed. 突然猛涨[非正式]

Prices for Korean art have gone through the roof. 韩国艺术品价格突然猛涨了。

5. PHRASE If you hit the roof or go through the roof, you become very angry, and usually show your anger by shouting at someone. 怒气冲天[非正式]

Sergeant Long will hit the roof when I tell him you've gone off. 如果我告诉朗警官你已经走了，他一定会怒火冲天的。

6. PHRASE If a number of things or people are under one roof or under the same roof, they are in the same building. 在同一建筑物里

The firms intend to open either together under one roof or alongside each other in shopping malls. 这些公司打算要么开在同一栋楼里，要么在商业街上比邻而开。