Ahead of their Champions League quarterfinal first-leg clash, Guardiola rejected claims Atletico "play ugly".
He said, "We have to do the same, defend our position. It's part of the game. Southampton in the cup when we conceded, we played terrible. I'm not going to judge what they do, I will analyse what to do to get a good result to go to Madrid next week.
"What is playing ugly? My team won in Old Trafford 1-0 and Bernardo Silva spend five minutes in the corner, that is not ugly. It's defending the position. I'm here to talk about what we try to do, I never judge the opponents. What they do [is up to them], we do what we have to do to win.
"As a team they avoid risk in the build up centrally. Those balls are incredibly aggressive, they win the ball and play. With the quality of players they have upfront, they can do it. One game here, one game there. They are champions of Spain, the league where in the last 20 years, the most teams have won the Champions League. That league is so difficult and they are champions.
"I admire their consistency, been twice to Barcelona and Real Madrid, they fight and reach two finals. Losing one corner before extra time and another extra time. They know how to handle this competition. When I started in Barcelona it was different, now you arrive the last eight all teams are incredibly tough. It's a football game, give everything we have and after in Madrid will dictate who goes through."
On City's European experience, Guardiola added: "We have experience but you can have a thousand experiences, you have to take [chances].
"Maybe we take a wrong decision tomorrow because football is so quick and we don't learn from it. We tried, the desire is there, we try to do well and go through. Tomorrow is not decisive, we have another game to play. We try to go to Madrid with as good a result as possible."
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