The question arises as to whether or not he knew of the situation.

问题是，他对局势是否了解。

《牛津词典》

Listen to her and then infer as to whether or not she wants your advice.

倾听她所说，再考虑她是否需要你的建议。

youdao

Then the user could make the choice as to whether or not to continue attempting the update.

然后，用户可以选择是否继续进行更新。

youdao

"We have no choice," he said, "as to whether or not we will play a great part in the world.

VOA: special.2010.08.12

At the end of last class,I began to raise the question as to whether or not we should distinguish two questions that we would normally be inclined to run together.

在上节课的最后我提出以下问题,是否该要区别这两个,我们通常倾向于一视同仁的问题。

耶鲁公开课 - 死亡课程节选

You might ask though,is there some other behavior, something else that should tip us off,could tip us off, as to whether or not we really do or don't believe that we're going to die?

你可能会问，有没有其他行为，能够让我们突然醒悟，知道我们真正是否相信自己会死呢？

耶鲁公开课 - 死亡课程节选

People will have to make a decision as to whether or not to then change their behavior.

CNN: The funny side of global warming and jihad

Now there is some confusion in the market as to whether or not that will happen at all.

FORBES: For Bond Investors, Sentiment Shifting On Brazil Rates

And we'll make the decision as to whether or not we're going to send something back to them that can work.

NPR: Senators Skeptical Of Bailout Package