If Korean students are having trouble with articles, I really recommend they don't get discouraged.

如果韩国学生学习冠词有问题的话，我真地建议他们不要气馁。

韩国人经常犯的失误 - SpeakingMax英语口语达人

Plato himself, remember, made a number of trips to Sicily to serve as the advisor to a king there, Dionysius, and all of these missions failed and left him deeply dispirited.

记不记得柏拉图自己，曾多次旅行到西西里岛,从事国王顾问的工，Dionysius王，他所有的使命都未竟成功,并使他深深感到气馁。

耶鲁公开课 - 政治哲学导论课程节选