你是我的小苹果？(6)

apple-cart
这是个比较古老的成语，因为其中的apple-cart如今已很少见了。cart是由牲口拉的两轮大车，apple-cart则是载运苹果的大车。盘算着把一车苹果拉到市场上卖掉，换几个钱买些自己想要的东西，多美啊！可惜不知怎么搞的，苹果车翻了。指“计划受挫、美梦破灭”。
[例] He has really upset the apple -cart by taking his holiday two weeks earlier than planned.
他的休假比计划提前了两周, 把计划全打乱了。

apple-cart

apple-cart
a bad/rotten apple
坏/烂苹果；坏蛋; 害群之马
someone or something that is a bad influence on others who are good but likely to be spoilt.
来自于谚语 "a bad apple spoils the bunch." “一粒老鼠屎，搅坏一锅粥”。
[例] Most students are polite and hard-working but there are a few rotten apples.
大部分学生都彬彬有礼, 学习努力,但也有几个里群之马。