The phrase "actively challenge" is correct and usable in written English.
You can use it when discussing the act of confronting or questioning something in a vigorous or engaged manner.
Example: "In order to foster innovation, we must actively challenge the status quo and explore new ideas."
Alternatives: "vigorously question" or "proactively confront".
"We actively challenge them to provide feedback and, man, they do not hold back".
But you learn the most when you actively challenge yourself and step out of your comfort zone.
"While some investors lead the way in this area, many do not actively challenge companies on gender diversity at board and executive level," the report stated.
It saw its role as a liaison between cadets and the administration, rather than as a body that would actively challenge or question the academy's leadership on any specific issue.
To be clear, leading with anti-corruption messaging is not going to win hearts and minds, but the sector must actively challenge the prevalent narrative that aid is akin to throwing money down a rat hole.
The MPs seek four commitments from Corbyn: to hold regular meetings with the women's parliamentary Labour party group; to issue an "unequivocal statement" condemning actions such as demonstrations outside MPs' surgeries; to "actively challenge" any intimidating behaviour; and to hold colleagues accountable if they attend events where threatening slogans are used, including on posters and T-shirts.
Not only does it avoid reinforcing prejudices, it actively challenges them.
In the spring, the Obama administration restricted access to counsel for Guantanamo prisoners not actively challenging their detention.
Where the Butler Act was localist, New Labour actively challenged schools' autonomy through targets, strategies and league tables, which overwhelmed the profession.
The supporters have not actively challenged assertions from former prisoners of war who are anti-Kerry that their Vietcong captors referred to his testimony during torture.
In a live stream video, Bernie Sanders stopped short of fully endorsing Hillary Clinton – but made clear he's no longer actively challenging her candidacy.
