探検

1. Origins, structure, and basic meaning

• Structure: 探検(たんけん) means exploring a place that is not well known.
• Basic usage: It can describe exploring a cave or treating unfamiliar alleys as somewhere new to discover.

2. Common pitfalls and similar expressions

• を with the place explored
  • In 洞窟を探検した, を marks the place that was explored.
• Exploring and searching
  • 探索(たんさく) focuses on looking for a target.
  • 探検 focuses on entering and learning about an unfamiliar place.