Khal Drogo‘s earlier lines in Game of Thrones consisted mostly of occasional Dothraki grunts and a few mono-syllables of broken English. Then we arrive at the visceral war speech scene in the latest episode… either Geoffrey Rush has been secretly coaching the horse-lord,* or the directors intentionally downplayed Jason Momoa’s talents as an actor to build up to this:
*Actually, the coaching is probably done by David Peterson. For more on how you too can curse and threaten in Dothraki, click here or here or follow this. For more on invented languages generally, here is a great summer read.