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;
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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 表示理所当然;
10、like apples and oranges 表示无法相比的事物;
11、lose one's train of 忘记;
12、meet each other half way 相互妥协,让步。