随便;理解;
lost count 弄不清楚;
be in another world 精神恍惚,魂不守舍;
make yourself at home 随意,随便;
save your breath 省口气吧,别白费口舌;
make sense 有意义,理解;
cost sb.an arm and a leg 非常昂贵;
burn a hole in one s pocket 很快被花光;
fill one s shoes 令人满意地替代;
is ice cold 表示理所当然;
like apples and oranges 表示无法相比的事物;
lose one s train of 忘记;
meet each other half way 相互妥协,让步。