all clear

基本解釋

It is not at all clear.
事實(shí)上它一點(diǎn)也不清楚。
"We've known for quite a while that the striatum plays an important role in category learning, but it was not at all clear exactly what that role was," he says.
他說(shuō)：“在前幾年，我們已經(jīng)知道在歸類(lèi)學(xué)習(xí)中，紋狀體起到了很重要的作用，但是究竟是什么作用依舊不夠清晰”。
The examples will make this all clear.
本文中的示例會(huì)清楚地說(shuō)明這一點(diǎn)。

"It's not at all clear that if you took the same bill back to the House today that it would pass.
They are mere personifications of abstract ideas, and it's not at all clear that Sin and her son, Death, exist as individual entities in the same way, or on the same plane, that Satan does, for example, or Beelzebub.
他們僅僅是將抽象的思想擬人化的結(jié)果，但我們不清楚的是罪惡之神和她的兒子死神，以同樣的方式或在同一個(gè)星球作為獨(dú)立的個(gè)體存在，例如撒旦或者蒼蠅王比爾澤布也是這樣。
耶魯公開(kāi)課 - 彌爾頓課程節(jié)選
In the first game, it was kind of clear that we should choose Alpha and here it's not at all clear what we can do-- what we should do.
在第一個(gè)博弈里,我們很顯然應(yīng)該選α,但這次我們應(yīng)該怎么選就很不確定了
耶魯公開(kāi)課 - 博弈論課程節(jié)選

But, it is not at all clear that DOD should be involved in protecting private IP.
FORBES: DOD Cyber Strategy Remains Ambiguous on Threats and Responses

The all clear is a signal that a dangerous situation, for example, an air raid, has ended.
If someone in authority gives you the all clear, they give you permission to continue with a plan or activity, usually after a problem has been sorted out.