1.lost count 弄不清楚: 2.be in another world 精神恍惚,魂不守舍: 3.make yourself at home 随意,随便: 4.save your breath 省口气吧,别白费口舌: 5.make sense 有意义,理解: 6.cost sb.an arm and a leg 非常昂贵: 7.burn a hole in one's pocket 很快被花光: 8.fill one's shoes 令人满意地替代: 9.is ice cold 表示理