请将下面这段话翻译成英文：
1.哈里曾认为走进一家名贵化妆品店，荒唐地提出要买一种根本不存在的商品是件很开心的事儿。
2.他毒打那条狗真残忍。
3.他通过考试很容易。
4.你让牛奶洒出来真粗心。
5.实现我们的梦想很重要。
参考答案:
1.Harry used to consider it a great joke to go into expensive cosmetic shops and make outrageous requests for goods that do not exist.
2.It was cruel of him to beat the dog.
3.It was easy for him to pass the exam.
4.It was careless of you to spill the milk out.
5.It is important for us to realize our dream.