ADJ (价格)极高的，昂贵的;(信心)高昂的，十足的 If you say that prices or confidence are sky-high, you are emphasizing that they are at a very high level. (价格)极高的，昂贵的;(信心)高昂的，十足的 [emphasis]
Christie said: 'My confidence is sky high.'
克丽丝蒂说：“我现在信心十足。”
...the effect of falling house prices and sky-high interest rates.