| 单词 | up in the air | 
| 释义 | up in the air up in the air ► F0 If a matter is up in the air, it is uncertain, often because other matters have to be decided first: » The whole future of the project is still up in the air.Thesaurus+: ↑Uncertainty , ↑Hesitating , ↑Achievable  | 
	
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