What is another word for hath down pat?
Pronunciation: [haθ dˌa͡ʊn pˈat] (IPA) 
The phrase "hath down pat" is an old-fashioned way of saying that someone has mastered a skill or task completely. There are many synonyms for this phrase, including "has mastered," "has perfected," and "has honed." Other options include "has become proficient at," "has learned thoroughly," and "has achieved full command." When someone has something "down pat," it means they don't have to think about it anymore; it's become second nature to them. So, other synonyms for this phrase could be "has internalized," "has assimilated," or "has made instinctual." Ultimately, these synonyms all describe someone who has put in the effort to truly understand and excel at a particular skill.
