Examples
tā他wǎn nián晚年zhì lì yú致力于xiě写zì zhuàn自传。
他晚年致力于写自传。
He devoted the last years of his life to writing his autobiography.
从他大学毕业后，他就一直致力于原子能的研究。
He has been devoted to the study of atomic energy ever since he graduated from the university.
因为世界上的人不是讲同一种语言,所以现在很多人努力致力于翻译。
Because people in the world don't speak the same language, much effort is now devoted to translation.