求翻译：为了躲避茅迦人的追杀九个青年逃到了地球，约翰·史密斯是其中的第四号。茅迦人也追踪他们到了地球，前三号已经死在他们手中。茅迦人的下一个目标就是第四号–约翰·史密斯。这时史密斯已经和自己的保护者逃亡到了天堂镇，他爱上了美丽的女同学萨拉，也认识了痴迷研究外星人的朋友萨姆。危险在步步逼近，茅迦人已经发现了史密斯的行踪。 这位关键第四号在萨姆和突然现身的第六号的帮助下，施展自己的超能力，击败了邪恶的茅迦人。他和第六号也要踏上新的旅程，去寻找其它的四个同伴。是什么意思？

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In order to kill nine youths fleeing Mao Jiaren fled to Earth, John Smith is one of the fourth. Mao Jiaren also tracks who came to Earth, first third, had died in their hands. Mao Jiaren – John Smith, is the next target of the fourth. At this time Smith has and its defenders fled to tiantangzhen, he

In order to kill nine youths fleeing Mao Jiaren fled to Earth, John Smith is one of the fourth. Mao Jiaren also tracks who came to Earth, first third, had died in their hands. Mao Jiaren – John Smith, is the next target of the fourth. At this time Smith has and its defenders fled to tiantangzhen, he