1. They dickered over the price of apples. 他们就苹果的价格讨价还价。
2. He would rather die than dicker over prices. 他宁愿死也不愿意讨价还价。
3. Tourists should dicker the price of the souvenirs because most of the time tourists can get 50% off, or even more. 买这些旅游纪念品时,一定要还价,一般可以还至标价的50%甚至更低。