音乐会: concert...
见到: to see...
阴影: (and fig.) shadow...
迟钝: slow in one's reactions, sluggish (in movement or thought)...
夏: summer...
耍: to play with, to wield, to act (cool etc), to display (a skill, one's temper etc)...
氧: oxygen (chemistry)...
砂糖: granulated sugar...
高等: high-level, higher (animals, education etc), advanced (math etc)...
怀疑: to doubt (sth), to be skeptical of, to have one's doubts, to harbor suspicions, to suspect that...
