Tuesday's defeat at Goodison Park means that they still top the Premier League table, but all that separates them and Manchester United is goal difference.
Speaking to City TV, the 25-year-old said: "I thought probably losing was a bit harsh but we knew it was going to be difficult.
"We are just disappointed we couldn't be more dangerous after dominating the game like this.
"In the end it was a deflected goal - there was nothing the goalkeeper or anyone could do about that.
"We never felt like we were in too much danger but I guess it is their strength - they contained us pretty well and when they had the chance, with a bit of luck, they scored. From that moment it was always difficult.
"In a season you are going to lose games - unfortunately you have to lose games at some point.
"We didn't want it to happen but we look forward and we still want to go on and bring the league back to Manchester City."
City are next in action on Saturday when Fulham visit the Etihad Stadium.