Federal Reserve Chair Janet Yellen (AP Photo/Pablo Martinez Monsivais)

Fed Chair Janet Yellen was on Capitol Hill Wednesday to testify before the House Financial Services Committee as part of a semi-annual check-in with the nation's legislative branch.

And, she faced a tough crowd. Here's the Associated Press report on the back and forth:

Yellen faced a barrage of questions from Republican lawmakers about legislation that they are supporting to make the Fed more accountable and make its policy decisions more transparent....Yellen rejected that approach and said the Fed needed the flexibility it now has to make policy decisions.

Her face in the picture above tells you everything you need to know about how she viewed the proceedings.