It also seeks to challenge injustice and influence thinking about what needs to change to improve the lives of children.

"They sought to challenge me," he said in his veto message Friday.

Sometimes they seek to challenge the assumptions upon which the student based the previous answer until it can no longer be defended.

He seeks to challenge not the modern movement but the Enlightenment concepts that ground it.

We seek to challenge the king and demand an explanation for what he has done!

And one did not question, or sought to challenge, the manner in which the power was exercised.

Or, there are always those who seek to challenge a great reputation.

Do not seek to challenge the gods, and expect death!

A red team is an independent group that seeks to challenge an organization in order to improve its effectiveness.

The defendant sought to challenge the Act on section 92 grounds.