我们来看看几个辨析吧：
NO.1
Persist means to stubbornly struggle through something.
Ex:“I persisted through the long line for Beyoncé merchandise.”
Persist就是坚持不懈地奋斗。例：“我在坚持排长队为了碧昂丝的商品”
Insist means to strongly persuade/encourage someone to do something.
Ex:“My daughter insisted she needed a wool coat for school.”
Insist是指强烈说服/鼓励某人做某事。例： “我的女儿坚称她需要一件羊毛外套上学。”
NO.2
persist=continue to do/exist
Persist=继续做、存在
He persisted in studying hard.
他坚持努力学习
If the cough persists,go to the doctor.
如果咳嗽持续，就去看医生。
insist = say firmly
Insist=坚决地说
My family insisted that I should go to college.
我的家人坚持要我上大学
The accused insisted that he was innocent.
被告坚持说他是无辜的。
NO.3
To persist/persistence is like continuing to try, even when things get hard.
Ex: "It takes a lot of persistence to complete a task that is difficult"
persist就像持续尝试，即使事情变得困难。例：“完成一项困难的任务需要很大的坚持”
Insist is to ask with more force/demand.
Ex:“I insist that you leave right away”or“I insist you try the pasta, it's delicious”
insist就是用更多的力气/需求去要求。例：“我坚持要你马上离开”或“我坚持要尝试意大利面，它很好吃”
