1. He made a radical change in the plan.
    他在这计划中做了一个彻底的更改.

2. All admit radical changes of destination once the journey has begun;
    他们无不承认，一旦"旅程"开始，"目的地"常有急剧的变化。

3. "That's true but my hair could be cut. These tattoos are permanent . Tattoos seem radical to me."
    "的确如此，可头发毕竟能剪短，纹身就永远留在那里了。在我看，纹身是种极端。"

4. My friend, Patrick, has always been a fanatical opponent of Mr. Lane´s Radical Progressive Party.
    我的朋友帕特里克一直是莱恩先生的激进党的强烈反对者。

5. Because he dislikes the scepticism and materialism of radical teachers.
    因为他不喜欢急进教员的怀疑主义的唯物主义。

6. Cloning is a radical challenge to the most fundamental laws of biology, so it's reasonable to be concerned that it might be a preface to activities that will threaten human society and dignity.
    克隆向生物学最基本的规律发起了一次革命性的挑战，因此有理由担心这或许是威胁人类社会和人类尊严的活动的序曲。