adventurer

名词 adventurer:

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

1. An adventurer who engages in a private military action in a foreign country.
   军事冒险家在国外从事秘密军事行动的冒险者
2. A ruthless speculator or adventurer.
   冷酷的投机者或冒险家
3. Africa is full of adventurers.
   在非洲有很多冒险家。
4. He is an adventurer in financial field.
   他是金融领域的投机者。