1. 饥饿感
    Hunger is the feeling of weakness or discomfort that you get when you need something to eat.

    e.g. Hunger is the body's signal that levels of blood sugar are too low...
           饥饿感是身体发出的信号，表示血糖水平太低。
    e.g. The nutritionally balanced menus are designed to help you lose up to a pound a day without hunger pangs.
           营养搭配均衡的菜谱旨在不必忍受饥饿的前提下帮您每天减掉一磅体重。

2. 饥饿;饥荒
    Hunger is a severe lack of food which causes suffering or death.

    e.g. Three hundred people in this town are dying of hunger every day.
           该镇每天有300人濒于饿死。
    e.g. ...a desire to alleviate hunger and suffering in the Third World.
           减轻第三世界的饥荒和苦难的愿望

3. 渴望;渴求
    If you have a hunger for something, you want or need it very much.

    e.g. Geffen has a hunger for success that seems bottomless.
           格芬的成功欲望似乎永无止境。
    e.g. ...his hunger to equal Vardon's record of six wins.
           他想平瓦登六个冠军头衔的纪录的渴望

4. 渴望;渴求
    If you say that someone hungers for something or hungers after it, you are emphasizing that they want it very much.

hunger是什么意思

    e.g. But Jules was not eager for classroom learning, he hungered for adventure.
           但朱尔斯对坐在课堂里学习并不热心，他渴望冒险。