Collins Chinese Dictionary Plus (3rd edition), 2011:
doorknob [ˈdɔːnɔb]
 n
  [c]
 门(門)上的球形把手 mén shang de qiúxíng bǎshǒu [个 gè]
            
                        
doorknobUK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈdɔːrnɒb/US:USA pronunciation: respellingUSA pronunciation: respelling(dôr′nob′, dōr′-) 
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