youdao

Everything is open to challenge, questioning, and debate.

一切都是可以自由挑战、自由提问和自由辩论的。

youdao

youdao

"This is the challenge we have now: to open a lot of those doors."

VOA: standard.2009.08.15

It can be challenged on normal... Yeah, open to challenge. -Right.

一般情况下人们可以挑战。,对，人们可以挑战其中的观点，-是的。

普林斯顿公开课 - 人性课程节选

She added there were still legal avenues open to challenge the decision and she would now "regroup".

BBC: St Albans rail freight terminal approved

That said, any such change would be open to challenge in the courts.

BBC: EU: No limits on foreign players

And there are broader issues, especially to do with the aggregation of data and the handling of uncertainty, where his book is open to challenge.

ECONOMIST: ��The Skeptical Environmentalist��