persist
单词辨析：
多指不好的情况持续存在。
This problem persisted for much of the decade.
该问题在那10年的大部分时间里一直存在。
The old man has to contact his doctor as the pain persists.
由于疼痛持续不减，那位老人不得不联系自己的医生。
既可指没有间断地持续发生、存在或进行，又可指中断后再继续。
Home prices continued to fall during April.
房价在4月份继续下跌。
She will continue her research after the birth of her baby.
生完孩子之后她将继续研究工作。
指长期持续存在。
Their friendship endured over many years.
他们的友谊保持了很多年。
She thinks that his career is a success that will endure.
她认为他的事业将会持续成功。
指持续一段时间；也指长时间存在、有效或保持良好的状态。
The cold weather lasted for the whole month of February.
寒冷的天气持续了整个2月。
A pair of good jeans will last you ten years.
一条好的牛仔裤可以穿10年。
指坚持认为某种想法正确或坚称某种说法属实，尤指与他人的想法或说法相左，也可指坚决要求做某事。
She insisted on her innocence.
她坚称自己无罪。
She insisted that he should leave for Shanghai.
她坚持要他去上海。
The manager insists on all his employees coming to the picnic.
经理坚持要求所有员工都参加野餐。
指坚守规则、信仰、协定等。
We should adhere to the traffic rules.
我们应该遵守交通规则。
They adhere to the principle that everyone is equal before the law.
他们坚持法律面前人人平等的信条。
All staff of the company adhere to a strict code of dress.
该公司的所有员工都遵守一套严格的着装标准。
指不顾困难或他人的反对而坚持做某事。
He persisted in his refusal to apologize.
他坚持不道歉。
She persisted with her experiment despite the lack of money.
尽管缺少资金，她还是坚持自己的实验。
相关例句：
This also made him moody and bad-tempered, a trait that would persist and lose him friends.
这也使得他闷闷不乐，脾气暴躁，长此以往，就和朋友们疏远了。
Would like to know, and have a persist down reasons.
想明白了，就有了坚持下来的理由。
In the first half of this article, I showed you how to persist runners and races.
在本文的第1部分中，我已经向您介绍了如何持久化选手和比赛对象了。
I will persist, I will win.
我将坚持。我会胜利。
Nothing's impossible and it all depends on man; you would win through if you persist.
事在人为，努力干下去，总会赢得胜利的。
I will persist until succeed.
我要坚持到底，直到成功。