1. Brave students are trying perilous experiments so as to find out better knowledge for us all. 勇敢的学生尝试着一些危险的试验，为我们寻求更佳的知识。
2. Faerie is a perilous land, and in it are pitfalls for the unwary and dungeons for the overbold. 仙境是危险的，陷阱处处，地牢遍布，粗心大意行事鲁莽的人们常会深陷其中。
3. It was a long and perilous journey. And some times a ship just vanished, like a plane off a radar screen. 那是一次漫长而危险的旅行。并且有时一条船就象和一架飞机从雷达屏幕上消失一样地突然不见了。
