up in the clouds

• 脱离实际

up in the clouds的用法和样例：

例句

1. This kind of decision cannot ever be made in a vacuum.
   这种决定绝不能脱离实际。
2. Her schemes are usually up in the clouds.
   她的计划常常是不切实际的。
3. Don't allow yourselves to indulge in false hopes.
   不要让自己存不切实际的希望。