It's flying high.

它飞得很高。

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We're now flying high up over the mountains.

我们正在群山上空飞行。

《新英汉大辞典》

Rabbit does not see Eagle flying high in the sky.

兔子没有看到鹰在高空中飞翔。

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her brothers were eleven and nine: unusually young actors, we might think, to be engaged in such high-flying philosophical debates as these two characters find themselves in.

分别是11岁和9岁，不寻常的小演员，我们可能会想，他们来演这雄心壮志的哲学辩论,是怎么样的。

耶鲁公开课 - 弥尔顿课程节选

They came from high-flying, high-priced studios, each promising to reinvigorate Forbes.com for the tidy sum of a million bucks or two.

FORBES: 400: How Reinvention Sprang From a Diner In Omaha and Library Full of Billionaires - Forbes

You don't want to be holding either the high-flying target or the high-flying acquirer the next time Nasdaq melts down.

FORBES: The Internet Mystic

The graveyard of once-high-flying stocks includes Digital Equipment, Apollo Computer, Data General and Silicon Graphics (now SGI).

FORBES: Pulled in a New Direction