persistent /pɚˈsɪstənt/ adjective Learner's definition of PERSISTENT
[more persistent; most persistent]
1
: continuing to do something or to try to do something even though it is difficult or other people want you to stop坚持的；执意的 -
We were nagged by a persistent salesman.喋喋不休的销售员把我们烦死了。
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He is one of the government's most persistent critics.他是政府最固执的批评家之一。
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She has been persistent in pursuing the job.她坚持不懈地找工作。
2
: continuing beyond the usual, expected, or normal time : not stopping or going away反复出现的；连续不断的 -
He has been fighting a persistent cold/infection.他一直都在与反复的感冒/感染做斗争。
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Flooding has been a persistent problem in the area this year.洪水是这一地区今年反复出现的问题。
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Persistent rumors that the business is for sale have alarmed the staff.不断有谣言说公司要被出售，这使得员工们感到惊慌。