Professional writing, emotional nuance, or any situation where errors could cause harm or offense. Assamese proverb reminder: "সোণত সুৱাগণ" (Sonot suwagon) – "Even gold needs polishing." Always polish machine-translated Assamese with human review. If you would like a downloadable one-page cheat sheet or a list of specialized vocabulary domains (e.g., medical, legal, religious) with caveats, let me know.