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- Spying is dangerous . 作间谍是十分危险的。
- It is dangerous to walk on thin ice in a lake. 在湖中薄冰上行走是很危险的。
- Gelignite is dangerous stuff to handle. 葛里炸药是不可随便触碰的危险材料。
- It is dangerous to generalize about people. 以偏概全地谈论人是危险的。
- The shark is dangerous to swimmers. 鲨鱼对游泳的人来说很危险。
- Be careful of that viper; he is dangerous. 小心那个阴险的人，他很危险。
- It is dangerous to climb up a steep slope. 攀登陡坡是危险的。
- It is dangerous to drive with a dirty windshield. 开一辆挡风玻璃脏了的车子是危险的。
- That spy is now in a British jail. 现在这个间谍正在英国监狱里服刑。
- It is dangerous to drive in a thick fog. 在浓雾天驾车很危险。
- A glaze of ice on the road is dangerous. 路上有一层薄冰是危险的。
- This river is dangerous to bathe in. 在这河里游泳危险。
- I think it is dangerous to be a miner. 我认为当矿工是很危险的。
- It is dangerous to drive after drinking. 酒後开车危险。
- The roof is dangerous and could cave in at any time. 屋顶很危险，任何时候都会坍塌。
- The animal is dangerous when cornered. 野兽一旦陷于绝境就会变得很危险。
- The spy is shy of taking ITlter on the ITlf of the ITll-like ITd. 间谍怕在壳子相同的棚里的架子上栖身。
- Many people don't think it is dangerous to go mountain climbing. 很多人认为爬山并不危险。
- It is dangerous to cross the straits in such weather. 在这种天气过海峡是危险的。
- This lake is dangerous for swimmers. 在这个湖里游泳危险。
