英语脑筋急转弯

你怎么样才能在不取出软木塞或打破瓶子的情况下取出硬币呢？

Without any measuring implements and without removing any wine from the barrel, how can they easily determine who is correct?
在没有任何量具，也不从桶里取出一滴酒的情况下，他们如何才能够轻松地判断谁才是正确的呢？

What begins with an “e” and only contains one letter?
什么以“e”开头且仅包含一个字母？

Until I am measured, I am not known. Yet how you miss me when I have flown. What am I?
在我被测量之前，我不为人所知。然而当我飞走时，你却是多么地想念我。那我是什么？

Two fathers and two sons are in a car, yet only three people are in the car. How?
两个父亲和两个儿子在一辆车里，但车里只有三个人。这是怎么回事？

Take one out and scratch my head, I am now black but once was red. What am I?
拿出一个来挠挠我的头，我现在是黑色的，但曾经是红色的。那我是什么？

Sara has four daughters, and each of her daughters has a brother. How many children does Sara have?
萨拉有四个女儿，每个女儿都有一个兄弟。萨拉有几个孩子？