他一直致力于在教育系统内为美籍拉美人和黑人争取权益。He was a champion for Latinos and blacks within the educational system.他一心一意致力于早日让被压迫者获得自由。He was single-mindedly devoted to the hastening of freedom for the oppressed.我一直在致力于推翻有关意义恒定性的谬谈。I have...

“致力于”的英语可以翻译为：etake，devote oneself to，apply oneself to，turn to，bend oneself to ...