This was made dangerous by a native chief on the nearby Pelym River.

You must realize that your youth and lack of experience make this even more dangerous than it must be.

Like so many creatures, the flying devils are only made dangerous by fear.

The change is made more dangerous by the language's seductive enhancement of other abilities.

Loping across the meadow was made more dangerous by the gray onset of evening.

These trips were made very dangerous by mines and Soviet submarines.

In reality, the most significant hazard is driving, which is made more dangerous by the severe weather.

A path made dangerous by loose stones and snow.

In corporate terms it has to be made more dangerous to acquiesce than to dissent and this is not an easy trick to turn.

It took three days to dig the bomb out of soft soil, work made even more dangerous by a fire at a fractured gas main.