persist          
verb [ I ] uk/pəˈsɪst/ us/pɚˈsɪst/
C2 持续;存留
If an unpleasant feeling or situation persists, it continues to exist.
  If the pain persists, consult a doctor. 如果疼痛持续就去看医生。 
 The cold weather is set to persist throughout the week. 寒冷天气很可能将持续整个星期。 
 C2 坚持不懈;执意
to try to do or continue doing something in a determined but often unreasonable way
  If he persists in asking awkward questions, then send him to the boss. 如果他没完没了地问令人尴尬的问题,就把他打发到老板那里去。 
 The government is persisting with its ambitious public works programme. 政府在坚持实施其雄心勃勃的市政工程规划。 
 - More examples
 - If symptoms persist seek medical attention .
 - The cold weather is set to persist throughout the week.
 - Despite this accumulation of evidence, the government persisted in doing nothing.
 - Must you persist in blaming yourself for what happened?
 - 'So would you like me to book tickets?' she persisted.