overpriced: too expensive; costing more than it is worth 价格太高的;过于昂贵的
Indispensable: essential; too important to be without 必须的;不可或缺的
Cars have become an indispensable part of our lives.
汽车已成了我们生活中必不可少的一部份.
She made herself indispensable to the department.
她成为这个部门不可缺少的一分子.
A good dictionary is indispensable for learning a foreign language.
一本好词典是学习外语必备的.
Preposterous: completely unreasonable, especially in a way that is shocking or annoying 荒唐的;极不合情理的
These claims are absolutely preposterous!
这些要求简直荒谬绝伦!
Overcharge: to make somebody pay too much for something 多收(某人的)钱
Make sure they don't overcharge you for the drinks.
注意别让他们多收饮料费.
We were overcharged by £5.
我们让人家多收了 5 英镑.
