He can be very tough to beat when he gets his competitive juices flowing.他一来劲儿就很难打败。Singing is a real upper. It makes me feel dizzy and energetic.唱歌真叫人来劲儿。一唱歌，我感到晕乎乎却又浑身是劲。I'm an exhibitionist, and I get off on the entertainment we give people.我这人爱出风头，能让大家高兴我就觉得很来劲儿。