It's pathetic when it's a legitimate request for the girlfriend yo visit as a holliday and get rejected when the UK is full of illegals including many serious criminals, absolutely pathetic, the country is a joke nowadays.
From what I have read on here from similar questions I think its very involved and very difficult to get a tourist visa to the UK for your Thai girlfriend, it might be easier to her a seat in a rubber dingy from a French beach.
There are so many different quoted answers about transfers, where I live the immigration needs to see the prefix FFT on the transfer transactions in your bank book, probably different at other immigration offices ???
Yes we had to get it translated, in the UK there is a Lawyer who does all the necessary actions including the translation and getting it certified by the Thai Embassy in London.