reoperate       
verb [ I ] (also re-operate) uk/ˌriːˈɒp.ər.eɪt/ us/ˌriːˈɑː.pə.reɪt/
 再次手术
of a doctor, to carry out out a particular medical operation for a second time on the same patient 
  Four of the patients had to be reoperated on after the initial surgery. 其中四名患者在初次手术后不得不再次进行手术。 
 The symptoms did not improve, so we had to re-operate. 
 - More examples
 - The patient was reoperated on to control the bleeding.
 - The surgeon said that she could re-operate to get rid of the scar.
 - Reoperating increases the risks of bleeding and damage to the tissue.
 - It is often better to re-operate rather than to try to control the infection with drugs.