Catching snakes can be hazardous for people untrained in the art.

Answer: Option A

Dangerous : likely to cause problems or to have adverse consequences.
Difficult : needing much effort or skill to accomplish, deal with, or understand.
Harmful : causing or likely to cause harm.
Tricky : (of a task, problem, etc.) requiring care and skill because difficult or awkward.
Hazardous : risky; dangerous.

Synonym of Hazardous is Dangerous