1. 风险项目（或活动);冒险事业
    A venture is a project or activity which is new, exciting, and difficult because it involves the risk of failure.

    e.g. ...his latest writing venture.
           他最新的写作尝试
    e.g. ...a Russian-American joint venture.
           一家俄美合资企业

2. 冒险去（某处）
    If you venture somewhere, you go somewhere that might be dangerous.

    e.g. People are afraid to venture out for fear of sniper attacks...
           由于害怕狙击手，人们不敢冒险外出。
    e.g. Few Europeans who had ventured beyond the Himalayas had returned to tell the tale.
           少数几个冒险翻越了喜马拉雅山的欧洲人回来后讲述了这个故事。

3. 斗胆提出（问题）;冒险发表（陈述）
    If you venture a question or statement, you say it in an uncertain way because you are afraid it might be stupid or wrong.

    e.g. 'So you're Leo's girlfriend?' he ventured...
           “那么你就是列奥的女朋友了？”他大胆问道。
    e.g. He ventured that plants draw part of their nourishment from the air...
           他大胆提出植物从空气中吸收部分养分的观点。

4. 勇于做;冒险做
    If you venture to do something that requires courage or is risky, you do it.

    e.g. 'Don't ask,' he said, whenever Ginny ventured to raise the subject.
           每当金尼鼓起勇气提起这个话题时，他就说“不要问”。

5. 冒险尝试
    If you venture into an activity, you do something that involves the risk of failure because it is new and different.

    e.g. He enjoyed little success when he ventured into business.
           他冒险涉足商界后几乎没有取得什么成功。