to open
            
            
              to start
            
            
              to turn on
            
            
              to boil
            
            
              to write out (a prescription, check, invoice etc)
            
            
              to operate (a vehicle)
            
            
              carat (gold)
            
            
              abbr. for Kelvin, 开尔文Kāi'ěrwén [开尔文]
            
            
              abbr. for 开本kāiběn [开本], book format
            
            
              to set up
            
            
              to run
            
            
              to leave
            
            
              to hold (meeting 
            
            
               exhibition)
            
            
              away
            
            
              apart
            
            
              aside
            
            
              verb particle marking habitual aspect