Hi ,warmhearts! Help a Chinese student to understand a utterance,thank you.

April 13, 2008 4:09am CST
Hi guys, I , the very fan of the Survivor, today surfed on the Survivor.com and read one piece of srcipts of tel-interview from Eliza. One sentence is really not clear .The unclear piece is as follows: "Everybody thought,Gosh,Jason walks around talking the talk,but can he really walk the walk" I really donnt understand the "talk the talk","walk the walk" Who can help me will receive million thanks from me and also the Budddism bless. Thank you so much...
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