The top of something is the highest part. So it is not surprising that top is part of another expression that describes an important person. 物体的顶部是最高的部分，所以top是另一个描述重要人物的短语的一部分，这并不奇怪。
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作者: gqinchunh123 时间: 2012-6-4 00:20
study作者: leyla 时间: 2012-6-12 23:32
The expression is top banana,a top banana is a leading person in the comedy soap the funniest comedian is called the top banana ,the next is second banana and so on作者: jy1991 时间: 2012-6-25 23:24
A listener from Venezuela sent us a question about the meaning of the expression mayday. He wrote that he often hears this expression in movies. Mayday is an emergency code word. It is used around the world in voice communications.委内瑞拉的一个听众给我们发来邮件询问“mayday”这个单词的意思，他说他经常在电影里面听到这个词。“Mayday”是紧急情况信号词。它被用于全球范围内的语音通讯。
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You might see a war movie in which an airplane has been hit by rocket fire. The pilot gets on his radio and calls "mayday, mayday, mayday" to tell that his plane is in danger of crashing to the ground.你可能会看到某部电影中一架飞机被火箭炮击中。飞行员用无线广播呼叫“mayday, mayday, mayday”，以此表示他的飞机处于将要坠毁地面的危险中。
