adj.危险的，艰险的

原形：perilous比较级：more perilous最高级：most perilous

Tigers are perilous creatures.
老虎是危险的生物。
Mary faces a perilous future for herself and her young grandson.
玛丽和孙子面临着严峻的未来。
Your journey to Syria’s border is perilous.
你们去叙利亚边界的旅程是危险的。
The expedition to the summit of the uncharted mountain was perilous, with treacherous ice and unpredictable weather conditions.
解释：攀登这座未经探索的山峰的探险是危险的，那里有险恶的冰层和不可预测的天气状况。
Venturing into the dense jungle alone without a guide or proper equipment is exceedingly perilous.
解释：在没有向导或适当装备的情况下独自进入茂密的丛林是极其危险的。
The old bridge, weakened by years of storms, posed a perilous crossing for the villagers.
解释：年久失修、历经风雨侵蚀的旧桥对村民们来说过河时充满了危险。
Engaging in high-speed car chases through crowded city streets is not only illegal but also perilous to the public's safety.
解释：在拥挤的城市街道上进行高速汽车追逐不仅是非法的，而且对公共安全构成了极大威胁。
The sailor's decision to navigate through the stormy seas was perilous, risking the lives of everyone on board.
解释：水手决定在狂风巨浪中航行是危险的，这危及了船上所有人的生命。
Investing all your savings in a single, volatile stock is a perilous financial move.
解释：将所有积蓄投资于单一且波动性大的股票是一种充满风险的财务决策。
Climbing the frozen waterfall required exceptional skills and courage, as one misstep could lead to a perilous fall.
解释：攀爬冰冻的瀑布需要非凡的技巧和勇气，因为一步走错就可能导致危险的坠落。
The expedition to the ancient ruins was perilous due to the presence of landmines left over from past conflicts.
解释：由于过去冲突遗留的地雷，前往古代遗迹的探险是充满危险的。
Venturing into the abandoned mine shaft without proper safety gear was an incredibly perilous act.
解释：在没有适当安全装备的情况下进入废弃矿井是一个极其危险的行为。
The pilot had to make a perilous emergency landing on a narrow strip of land after engine failure.
解释：发动机故障后，飞行员不得不在一条狭窄的地带进行了一次危险的紧急着陆。