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1·He was supposed to give us advice, but this ideas were airy-fairy ideas.

他应该给我们提些劝告，但他的主意都是不切实际的。

2·This may all sound a bit airy-fairy given that so many companies are struggling just to survive the recession.

在许多公司都在经济萧条中力求生存的情况下，这些听着有点不太切合实际。

3·The scheme seems a bit airy fairy to me.

这个计划我看有些不着边际。