1. 英雄的;英勇的
    If you describe a person or their actions as heroic, you admire them because they show extreme bravery.

    e.g. The heroic sergeant risked his life to rescue 29 fishermen from their blazing trawler...
           英勇的中士冒着生命危险从熊熊燃烧着的拖网渔船上救出了29名渔民。
    e.g. His heroic deeds were celebrated in every corner of India.
           他的英雄事迹在印度广为传颂。

2. 矢志不渝的;艰苦卓绝的
    If you describe an action or event as heroic, you admire it because it involves great effort or determination to succeed.

    e.g. The company has made heroic efforts at cost reduction...
           公司在降低成本方面付出了艰苦卓绝的努力。
    e.g. He finally faltered in the last game of a heroic match...
           他在这场艰苦比赛的最后一局中踉跄结束。

3. 男主角的
    Heroic means being or relating to the hero of a story.

heroic的翻译

    e.g. ...the book's central, heroic figure.
           书中的中心主角人物

4. 英雄壮举;英勇果断的行为
    Heroics are actions involving bravery, courage, or determination.

    e.g. ...the man whose aerial heroics helped save the helicopter pilot...
           以空中的英雄壮举拯救了直升机飞行员的人
    e.g. England need heroics from the captain now.
           英格兰队此刻需要队长采取英勇果断的行为。

5. （愚蠢或危险的）逞英雄行为
    If you describe someone's actions or plans as heroics, you think that they are foolish or dangerous because they are too difficult or brave for the situation in which they occur.

heroic的解释

    e.g. He said his advice was: 'No heroics, stay within the law'...
           他说自己的建议是：“不要逞英雄，要遵纪守法。”
    e.g. Cut it out, Perry. You've performed your heroics. It's all over now.
           住手吧，佩里。你已经逞过英雄了。现在一切都结束了。