persist in doing sth.
persist with sth.
insist on doing sth.
☞☞☞persist 表示反复做某事，直到获得想要的结果。
……⑴continue doing sth.,usually in spit of difficulty.
……⑵If something that is not wanted or liked persists, it goes on and on.
☞☞☞☞insist 表示坚持（观点）
一, persist v. / persistence n. / persistent adj. / persistently adv.
v.
1.If she doesn't say anything, You should persist until you get an answer.
2.He persisted in trying to get into the school ’s tennis team and at last she was successful.
3.He persisted with his question until he get an answer.
4.She persisted in trying to learn English and eventually she was able to speak it well.
……持续，继续（不想或不喜欢的事情）
①The pain in her tooth persisted for hours.
②I think the rain will persist all week.
noun
She finally climbed to the top of the mountain. We all admired her persistence.
adjective
At first his mother said “No”,but he was persistent and at last she agreed to let him go out.
2020Apr. 17birthday
二，insist v. /insistence n. /insistent adj. /insistently adv.
insist on doing sth./ insist that 从句用虚拟语气（should ＋do）, should 可以省略，同样的用法还有suggest
1.He insisted on leaving immediately.
2.She insisted on us going with her.
3.I insist that you go with me.
4.No matter how you are , he always insists on coming with you.
noun
Her insistence that I wear a seat belt in the car saved my life.
adj.
Frank was so insistent that in the end we did what he wanted.
2020spring
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