It was a radical departure from tradition.

这从根本上违背了传统。

《牛津词典》

A radical overhaul of the tax system is necessary.

有必要彻底改革税制。

《牛津词典》

He likes to present himself as a radical politician.

他喜欢表现出一副激进政治家的样子。

《牛津词典》

Shaul Mofaz, an Israeli parliamentarian and former army chief of staff, says a radical axis of Iran,Syria, Hezbollah and the Palestinian militant group Hamas in Gaza are trying to destabilize the Middle East.

VOA: standard.2009.11.04

This is really, I think, a radical if not heretical idea for the national poet of a Christian people.

我真的觉得这是，激进的，甚至是异端邪说,对一个基督教国家的诗人来说。

耶鲁公开课 - 现代诗歌课程节选

It would seem that far from utopia, the Republic represents a radical dystopia, a satire, in some sense, of the best polity.

这让《理想国》看起来远不像是乌托邦，反像是极端的反乌托邦，从某些层面看来像是在讽刺所谓最佳政体。

耶鲁公开课 - 政治哲学导论课程节选

Such acts led the political establishment to unfairly label Romero as a revolutionary and a radical.

CNN: Pope Francis' powerful signal to the poor

One of the book's concerns is how the media react to a radical left-winger in Downing Street.

BBC: A Very British Coup 35 years on

And, if not, how does it adapt to such a radical change in circumstances?

BBC: How do book towns survive in the age of the e-reader?