Most of the problems were solved at the meeting, but two were left hanging in the air.

大多数问题在会上得到了解决，但还有两个问题悬而不决。

《新英汉大辞典》

It was summer. The fear left by the recent drama hung in the air of the overheated room.

正值夏季，室内酷热，刚刚发生的惊扰所带来的恐惧还浮悬在空气中。

youdao

In this election, that question has been left hanging in the air.

在这场选举中，那个问题被搁置了等待着讨论。

youdao

So he left the camera floating in the air.

VOA: special.2009.06.17

Well, first of all, you may not survive for long, if you truly don't accept the fact that things, people being no exception fall when left in mid-air.

首先，你可能活不长，如果你不接受，人会从半空中掉下来的事实。

哈佛公开课 - 幸福课课程节选

"It is going to be a big anti-incumbent year, and a big anti-Washington year, and what is still left a little bit up in the air after last night is how much that anti-incumbent wave, how disproportionately that anti-incumbent wave, will wash over the Democrats."

VOA: standard.2010.05.19

In this election, that question has been left hanging in the air.

ECONOMIST: A looming electricity crunch could trip up a new government

The school is in the process of patenting a process in which dogs would sample the air left in the wake of travelers passing through an airport terminal.

CNN: Are dogs the key to bomb detection at airports?

Mr. Kurlantzick theorizes about what happened without coming to a firm conclusion, though the CIA is criticized for not releasing the results of the investigation it apparently conducted, and a hint of foul play is left hanging in the air.

WSJ: Book Review: The Ideal Man