They did not know about the extremely cold weather that could kill. Most did not know they would face extremely hard work and terrible living conditions.

许多即将到金矿去的人也根本没有考虑他们可能面对的一切，他们不知道将面对可能致人死亡的极度严寒的天气，绝大多数人并不知道他们将面临极度艰难的工作和可怕的生活环境。

youdao

If made under appropriate deposition conditions the film are extremely hard.

在适当的沉积条件下，该膜非常硬。

youdao

However, most of this information was false. It was not easy to find gold. It was extremely hard work under very difficult conditions.

然而，这些信息中绝大多数都是虚假的，淘金并不容易，这是一项在极端恶劣的环境中非常艰苦的工作。

youdao

Most did not know they would face extremely hard work and terrible living conditions.

VOA: special.2009.02.04

It was extremely hard work under very difficult conditions.

VOA: special.2009.02.11

The riot, which has left 40 people injured and impacted about 2, 000 workers, has highlighted the complex task facing Chinese manufacturers as they struggle to control costs amid a slowing economy and deal with a younger generation of Chinese workers who demand more comfortable lifestyles and are less willing than their parents to tolerate extremely hard working conditions.

FORBES: Tensions High In China's iPhone Factory After Massive Riot