危险物

例句：

1. 1. The climb was dangerous and required careful navigation.
   这次攀登危险，需要小心导航。
2. 2.The road is dangerously narrow and requires a high level of caution.
   这条路非常狭窄，需要高度的谨慎。
3. 3.The cliff edge was too dangerous for me to attempt the descent.
   悬崖边缘对我来说太危险，无法尝试下撤。