I know. Our project director resigned last month. Until we figure things out, everything will be up in the air.

我知道。(但是)我们的指导者上个月辞职了，在我们想好该怎么做之前，一切都会悬在那里。

youdao

The cause appears to be in part greater turbulence in the urban atmosphere as hot air rises from the built-up surface.

部分原因似乎是热空气从楼宇密集的表面上升，造成城市大气的更大湍流。

youdao

If it is displayed on such occasions, do not allow the flag to fall to the ground, but let it be carried high up in the air to form a feature of the ceremony.

如果在这种场合展示国旗，不要让国旗掉到地上，而是让它高高地悬在空中以构成仪式的特色。

youdao

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.

也就是说,如果你在飞机中,你向空中扔出一物体,它也许会相对于你上下运动

耶鲁公开课 - 基础物理课程节选

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