Yes, she said that, after the mention that the UN chief Ban Ki-Moon was going to appoint a UN ambassador to enter the mix.
This was said in the sense that EU efforts were not getting enough results quickly enough.
Results, that is, towards getting Ukraine to join the EU.
Nuland and Pyatt also discussed which Ukrainian leaders should be in the new Ukrainian government and which should not.
Clearly the US Department of State is setting up the government that it wants in Ukraine.
The EU was not taking advantage of the situation because they are weak on Russia and dependent on Russian energy. The only reason Ukrainians even want to be in the EU is because they want to be better friends with the USA.