re-engage  
verb (also reengage) uk/ˌriː.ɪnˈɡeɪdʒ/ us/ˌriː.ɪnˈɡeɪdʒ/
  (GET INVOLVED)         
  [ I ] formal重新介入 
to become involved, or have contact, with someone or something again, for a second, third, etc. time
  The campaign is trying to help former students re-engage with the university.
 Ex-prisoners should be encouraged to reengage in society. 应鼓励刑满释放人员重新融入社会。 
  [ T ] formal重新引发兴趣 
to interest someone in something again for a second, third, etc. time, and keep them thinking about it
  More straightforward campaigning might just reengage the voting public.
 Environmental groups have to re-engage mainstream Australia. 环保组织需要重新吸引澳大利亚主流社会的参与 
 - More examples
 - Climate change poses a serious threat, and we should reengage in international negotiations.
 - These meetings help ministers re-engage with the public.
 - We are hoping to re-engage children who might otherwise drop languages.
 - We've seen a revival in rural crafts as many of us are trying to re-engage with nature.
 
  (FIT TOGETHER)      
  [ I or T ]重新装配 
to engage part of a machine or your body (= make it fit into and move together with another part) again, for a second, third, etc. time
  Manual override is provided to re-engage the motor.
 During the course of losing weight, I had to re-engage muscles that were engaged automatically before. 在减肥的过程中,我不得不重新激活之前伸张自如的肌肉。 
 When the throttle is applied, the clutch automatically re-engages.
 - More examples
 - Should the battery run low, the alternator is re-engaged as needed.
 - I reengaged the handle to the baby's seat so I could carry her.
 - The autopilot kicked out and resolutely refused to be re-engaged.
 - A security guard reengaged the elevator, and all the occupants exited unharmed.
 
  (EMPLOY)      
 [ T ] mainly UK formal重新雇用 
to employ someone again
  Why have we re-engaged him on another year's contract?
 She was made redundant in 2020, but was re-engaged in late 2021. 她在2020年被裁员,但在2021年底重获聘用。 
 - More examples
 - After losing her job as Paul's advisor, she was re-engaged as his campaign manager.
 - They reengaged him on a one-day contract only.
 - She was willing to re-engage all her former employees on particular terms.