Sunny asked if the boys choir boys knew who she was, Daniel (the translator) replied that they don't really know, but he did tell them that "Sunny-sshi is one of Korea's best performers/artiste", and that the boys were very expectant and honoured.
Sunny said "aigoo how could you say such lies so nicely", Daniel said that "it's not really a lie" (implying that she/SNSD is indeed one of the best in Korea)