They could not say with confidence that he would be able to walk again after the accident.

他们不能肯定他经过那场事故后还能行走。

《牛津词典》

Letters of reference from the borrowers' Banks "could have been forged", the investigators write (although they could not say for sure).

调查人员写道，借方的银行送来的保证信“可能是伪造的”(虽然他们不能断定)。

youdao

Didn't I tell you, Martha called to say her daughter was ill and they could not go tonight.

我没告诉你吗，玛莎打电话来说她女儿生病了，她们今晚不能去了。

youdao

The spokesman did confirm that the singer was taking some prescription medications, but could not say whether they played a role in his death.

VOA: standard.2009.06.26

They could say, "Oh, disease," but these reasons tend not to be sincere.

他们可以说”会传染疾病“,但这些理由只是托辞。

耶鲁公开课 - 心理学导论课程节选

Otherwise, if you don't buy all the debt, you still have a problem because those debtors can go after you because they are-- they're not shareholders but they have rights and they could come in and say, we don't like what you're doing; we're going to sue you because we think that you're doing something contrary to our interest as debtors.

不然,如果你没接下全部债务,就不能安枕无忧,因为这些债务人会跟着你,他们不是股东,但他们有权利,他们会跳出来说,我们不喜欢你的做法,我们要起诉你,因为你的做法违背了我们债权人的利益

耶鲁公开课 - 金融市场课程节选

They could not say whether or not they may have been stolen to order.

BBC: Howson artwork stolen from house

She said such restraint is a vital part of NPR's code of ethics, which states that news staffers cannot say things in other public forums that they could not say on NPR's airwaves as well.

NPR: Fox News Gives Juan Williams $2 Million Contract

While saying it found "strong circumstantial evidence" that China undertook such a plot, the Republicans concede that they could not say conclusively whether the Chinese government funded or directed illegal contributions to the president or members of Congress.

CNN: By Jackie Koszczuk, CQ Staff Writer