同学你好，该知识点来自沪江网校《英语零基础直达CATTI笔译三级【随到随学班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学好
persist in sth:
Mr. Straw issued a stern warning to those who persist in violence
斯特劳先生向那些坚持进行暴力活动的人发出了严正警告。
persist in doing sth:
Politicians persist in imagining that 'the people' warm to their cheesy slogans.
政客们还在想象着“人民”对他们的空洞口号会越来越感兴趣呢。
希望有所帮助