throw (something) into question
To cause something to be doubted, scrutinized, or a matter for serious discussion. These series of protests have thrown into question the ability of this government to remain in power. This reluctance to act is bound to throw your leadership skills into question.
bring/call/throw something into ˈquestion
cause something to become a matter for doubt and discussion: Scandals like this call into question the honesty of the police.The high number of accidents has brought government policy on industrial safety into question.