drastic
词根词缀：
drama n. 戏剧
dra 表演 + ma → 戏剧
dramatic adj. 戏剧性的
drama 戏剧 + tic 有…性质的，属于…的，具有…的 → 戏剧性的
dramatist n. 剧作家；编剧
drama 戏剧 + tist → 剧作家；编剧
dramatize v. （使）戏剧化，改编成剧本
drama 戏剧 + tize → （使）戏剧化，改编成剧本
drastic adj. 剧烈的
dra 表演 + stic → 表演很累 → 剧烈的
数据来源：新东方英语词汇速记大全
相关例句：
In a situation like this, drastic measures are needed.
在这种形势下需要采取严厉措施。
Linda knew that for both their sakes she must take drastic action.
琳达知道，为了他俩，她必须断然行事。
The municipal government will take drastic measures this year.
市政府今年将有大动作。
As early as the summer of1979, it was clear that only drastic measures could save the Chrysler corporation.
早在1979年夏天就很清楚只有采取严厉的措施才能挽救克莱斯勒汽车公司。
They had a drastic dispute over the draft.
他们在草稿问题上有着激烈的争执。
It would be a drastic mistake to argue with this man.
和这个人争吵是一个天大的错误。