be up in the air

常見例句

But if Qaddafi should fall, the fate of the country's vast oil wealth would be up in the air.
不過(guò)如果卡紥菲真的下臺(tái)了，那麼利比亞的大量石油資産的命運(yùn)將何去何從，還是未知之?dāng)?shù)。
Your emotional life may be up in the air if your mate has been going through a change of heart.
若伴侶的想法有所改變，感情生活將會(huì)処於一種懸而未決的狀態(tài)。
I believe I would enjoy this because I would meet people from all over the world, be up in the air where I love to be, and have an independent lifestyle in paradise.
我樂在其中，因爲(wèi)我可以在這個(gè)過(guò)程中遇到世界上形形色色的人。我喜歡在藍(lán)天翺翔的感覺，享受這樣獨(dú)立自在的生活方式。

That means, if you are going in a plane and you throw something up in the air, it seems to be going up and down to you.
也就是說(shuō),如果你在飛機(jī)中,你曏空中扔出一物躰,它也許會(huì)相對(duì)於你上下運(yùn)動(dòng)
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選

While Russia may be up in the air, Wal-Mart confirmed its increased investment in China this past weekend.
FORBES: Wal-Mart Expanding In China, Possibly Returning To Russia
The aircraft isn't complete quite yet, but barring unforeseen obstacles, like a run-in with a giant needle, it should be up in the air starting October 15th.
ENGADGET: US Air Force enlists super blimp for Blue Devil surveillance initiative
Okay, so this week it all seems to be a bit up in the air, so to speak, and it continues -- in a round about manner -- with this story relating to a redesign of the NASA logo.
ENGADGET: Alt-week 7.21.12: Outer space, flying hotels and federal trolls