/ˈdræs.tɪ.kəl.i/
in a way that is severe and sudden or has very noticeable effects:
Their budget has been drastically reduced.
Our communication environment has changed drastically in the last 10 years.
adjective
extreme in a way that has a sudden, serious or violent effect on sth 极端的；急剧的；严厉的；猛烈的
drastic measures/changes
严厉的措施；剧烈的变化
The government is threatening to take drastic action.
政府警告说要采取断然措施。
a drastic shortage of food
食物的极度短缺
Talk to me before you do anything drastic.
你采取任何重大行动之前要跟我谈谈。