1. They are being very mysterious about their holiday plans.
    关于他们的度假计划, 他们显得很神秘.

2. The open sea was deep and mysterious, and anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
    无边无际的海洋深邃而又神秘，凡是稍稍想过大海海底的人大概都会认为海底是平坦的。

3. They can be friendly and affectionate towards humans, but they lead mysterious lives of their own as well.
    它们可以对人友好，充满柔情。但是，它们又有自己神秘的生活方式。

4. This is just one of the many frightening stories told of "the Bermuda Triangle", a mysterious area of the Atlantic Ocean roughly stretching southwest from Bermuda to the Florida coast and down to Puerto Rico.
    这仅是众多有关"百慕大三角"的恐怖故事之一。"百慕大三角"是大西洋的一处神秘地带，大致范围从百慕大朝西南沿佛罗里达海岸再至波多黎各。

5. These mysterious patches of light are still visible today and so bright that they have been seen from U.S. spacecraft in orbit around the earth.
    这些神奇的光带如今仍然可见，而且明亮得连在绕地球轨道飞行的美国飞船里都可以看到。

6. Nobody knew that the mysterious hero was a personable young man.
    没人知道那个神秘的英雄竟是位翩翩少年。

7. "There are mysterious and strange things going on out there," admits Richard Winer, author of The Devil's Triangle, a book that has sold 500,000 copies since its publication three months ago.
    "那里的怪事、奇事层出不穷，"《魔鬼三角》的作者理查德·文纳说。他这本书从三个月前出版以来，已经售出了50万册。

8. You imagined mysterious figures in the night, the crack of guns, clever disguises, secret exploits.”
    你想像的是在黑夜中出现的神秘人物，枪声，巧妙的化装，秘密的使命。"

9. One of the largest ships claimed by the mysterious triangle was a 500-foot coal ship that disappeared on March 4, 1918.
    被这神秘三角吞噬的最大的船只之一，是一艘500英尺的运煤船，它于1918年3月4日消失。