音乐会: concert...
巴不得: (coll.) to be eager for, to long for, to look forward to...
反抗: to resist, to rebel...
椭圆: oval, ellipse, elliptic...
唉: alas, oh dear...
供暖: to supply heating (in a building), heating...
谈: to speak, to talk, to converse, to chat, to discuss...
约: to make an appointment, to invite, approximately, pact, treaty, to economize, to restrict, to reduce (a fraction), concise...
电话: telephone, phone number...
沙子: sand, grit...