| 单词 | on cloud nine | 
| 释义 | on cloud ninephraseSee full dictionary entry for  cloud If you say that someone is on cloud nine, you are emphasizing that they are very happy.[informal, emphasis]  When Michael was born I was on cloud nine. on cloud nine in British English informal See full dictionary entry for  cloud elated; very happy on cloud ninevery happy because something very good has happened to you  I never expected to win, so I'm on cloud nine. Examples of 'on cloud nine' in a sentence | 
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