the belief that there should be great or extreme social or political change

Evidence of his youthful radicalism remained buried in his poems of the period. 他年轻时激进主义思想的痕迹仍然埋藏在当时所写的诗歌之中。

Combatting radicalism and alienation has become a priority for the government. 打击激进主义和异化已成为这届政府优先处理的事项。