Lai Fa - beautiful flower?
麗  http://www.cantonese.sheik.co.uk/dictionary/characters/1152/
  
  lai6   (jyutping)
  
  (1) [adj] beautiful; magnificent; elegant 


~


  花 http://www.cantonese.sheik.co.uk/dictionary/characters/32/ 
  
  faa1   (jyutping)
  
  (1) [n] flower; blossom 


Your girlfriend's middle name is 麗花 (lai6 faa1 in Cantonese jyutping)

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