questioning是什么意思？

While such vigilant（警觉的）tracking of cancer is a good thing in general, researchers are increasingly questioning whether all of this testing is necessary for the elderly.

A new study challenges that belief, questioning whether brains really can be distinguished by gender.

Larry Cahill, an American neuroscientist, said the study is an important addition to a growing body of research questioning traditional beliefs about gender and brain function.

since there is no way for me to avoid exams, I am currently questioning what kind are the most taxing and ultimately beneficial.

For all of these reasons, some colleges like Hartwick are rethinking the old way of doing things and questioning decades-old assumptions about what a college degree means.

But there had always been these things in the back of my mind questioning whether I really can be who I want.

"Many students are coming from a situation where no one around them has the experience of successfully completing higher education, so they are coming in questioning themselves and their college worthiness," Jarrat continued.