Swimming in the sea can be dangerous if you don't know how to swim.
Smoking is dangerous for your health.
Climbing a high mountain without proper equipment is dangerous.
It is dangerous to play with sharp objects like knives.
The road was icy and dangerous, so we drove carefully.
Swimming in the ocean during a storm is dangerous.
Crossing the street without looking both ways can be very dangerous.
It is dangerous to leave children unattended near a hot stove.
Drinking too much alcohol can be dangerous for your health.
Climbing up a tree without proper equipment is a dangerous activity.
Reckless driving can be very dangerous for everyone on the road. (Transportation)
It's important to wear appropriate protective gear when engaging in dangerous sports like rock climbing. (Sports and recreation)
The dog's behavior is becoming increasingly dangerous. (Animals)
It's dangerous to walk alone at night in this city. (Safety)
Swimming in this area of the river can be extremely dangerous due to strong currents. (Water-related activities)
The new street drug that has been circulating in the city is incredibly dangerous and has led to multiple fatalities.
Many people harbor the misconception that all pit bulls are inherently dangerous, when in fact it's largely due to poor training and socialization.
The hike up the steep mountain trail was dangerous, but the sweeping views from the summit were worth the risk.
The stormy weather made for a dangerous drive, with low visibility and slick roads.
As a parent, it's important to instill in your children an awareness of dangerous situations and how to avoid them.
It's dangerous to underestimate the power of a determined individual.
It's not uncommon to encounter dangerous wildlife when hiking in the wilderness.
The unpredictable weather conditions can make mountaineering a dangerous sport.
It's dangerous to rely on one source of income in today's ever-changing economy.
The reckless driver made the road a dangerous place for everyone around him.
It's extremely dangerous to handle radioactive materials without proper protective gear.
The suspect is known to be armed and dangerous, so please exercise caution.
Many species of snakes are dangerous and can deliver a lethal bite if threatened or cornered.
The steep cliffs and strong currents make swimming here extremely dangerous.
It's dangerous to make assumptions about people based solely on their race or ethnicity.