'Game of Thrones' Star How Do You Say Boobs In Dothraki?

5/2/2013 12:02 AM PDT

"Game of Thrones" star Emilia Clarke -- aka the chick with the dragons -- had to bust her ass to prepare for her role ... mastering not one, but TWO, fake languages.

It's almost as impressive as all the nudity producers keep putting on the show.

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