突然发现用英语怎么说？

突然发现

例句

• There was a gold strike here many years ago. 许多年以前, 这里突然发现了金矿。
• Peterson suddenly found himself in the thick of desperate fighting. 彼得森突然发现自己身陷一场殊死搏斗中。
• A fleet of French ships was sighted in the North Sea. 在北海突然发现了一支法国船队。
• Ordinary workers in state industry, once favoured, suddenly found themselves at the bottom of the heap. 曾经养尊处优的国企普通工人，突然发现自己已跌至社会底层。