危险 (wēi xiǎn): nguy hiểm

It's very dangerous here, we can't go in.

Driving after drinking is extremely dangerous behavior.

Danger! Get away from there quickly!

Swimming in the ocean is very dangerous, especially when there is no lifeguard.

Fires are very dangerous, we need to learn to prevent them.

Traveling alone in that area is very dangerous.

Firefighters face danger every day to protect our safety.

Looking at your phone while crossing the street is very dangerous behavior.

We should leave this dangerous place as soon as possible.