名詞 adventurer:

1. a person who enjoys taking risks
   同義詞：venturer
2. someone who travels into little known regions (especially for some scientific purpose)
   同義詞：explorer

1. An adventurer who engages in a private military action in a foreign country.
   軍事冒險家在國外從事秘密軍事行動的冒險者
2. A ruthless speculator or adventurer.
   冷酷的投機者或冒險家
3. Africa is full of adventurers.
   在非洲有很多冒險家。
4. He is an adventurer in financial field.
   他是金融領域的投機者。