比较级： more dangerous
最高级： most dangerous

Why is property so dangerous ?

房地产为何如此危险？

The most dangerous place to fly remains africa .

最危险的飞行区域依旧是非洲。

That notion is as unscientific as suggesting that water or oxygen is dangerous .

这一观念如同说水或氧气是不安全的一样是不科学的。

He called the situation the most dangerous it has been in years .

他认为目前的局势是近几年来最危急的一次。

Finance is the machine that governs the economy , but it is unstable and dangerous .

金融是统治经济的机器，但这台机器既不稳定，也不安全。