在英语中，常用复合词 sky-high 来表示“达到了极高的程度”。
- Train fares have gone sky-high. I spend half my pay just getting to work!
- The prime minister's popularity was sky-high after he cut taxes for everybody.
- I'd like to buy a house in the city but prices are sky-high.
值得注意的是，还有一个与sky相关的短语“the sky is the limit”，其意思是没有限制，任何可能性都存在。
- If you have talent and work hard, the sky is the limit.
