A huge iceberg was suddenly spotted by a lookout.

突然，了望员发现一座冰山。

Mary and her husband Dimitri lived in the tiny village of Perachora in southern Greece.

玛丽与丈夫迪米特里住在希腊南部一个叫波拉考拉的小村庄里。

but one day, after heavy shower, I happened to be walking in my garden when I noticed a huge number of snails taking a stroll on some of my prize plants.

后来有一天，一场大雨后，我在花园里漫无目的散步，突然注意到许许多多蜗牛在我的一些心爱的花木上慢悠悠的蠕动着。

A day may begin well enough, but suddenly everything seems to get out of control.

一天开始时，可能还不错，但突然间似乎一切都失去了控制。

Recent scientific evidence seems to indicate that this assumption is incorrect.

但近期科学研究发现，好像这种假设是不正确的。

At night, when you really wish to go to sleep, you rarely manage to do so.

到了夜晚，你真想睡了，却很难入睡。