1. 激烈的：dramaticlly 显著地 | drastic 激烈的 | draughting 绘图

2. 猛烈的 radical 根本的：101 dramatic 引人注目的 striking 引人注目的 | 102 drastic 猛烈的 radical 根本的 | 103 drastic 激烈的 severe 猛烈的

3. 激烈的 severe 猛烈的：102 drastic 猛烈的 radical 根本的 | 103 drastic 激烈的 severe 猛烈的 | 104 draw 吸引 attract 吸引

1. （行为）严厉的，极端的
    If you have to take drastic action in order to solve a problem, you have to do something extreme and basic to solve it.

    e.g. Drastic measures are needed to clean up the profession...
           行业清理整顿需要严厉的措施。
    e.g. He''s not going to do anything drastic about economic policy.
           他不打算对经济政策作任何重大调整。

2. （变化）激烈的，巨大的
    A drastic change is a very great change.

    e.g. Elderly people are not in a position to make drastic changes at this stage of their life...
           上了年纪的人在他们这个人生阶段不会再有什么实质性的改变。
    e.g. ...a drastic reduction in the numbers of people dying.
           死亡人数的大幅下降

1. forceful and extreme and rigorous

    e.g. drastic measures