If you're looking for helpful content regarding the 2010 psychological thriller Shutter Island
Part 2: Plot Breakdown – A Spoiler-Heavy Guide (With Vietsub Notes)
3. Maintaining Ambiguity
One of the hardest things to translate is DiCaprio’s character questioning his sanity. In English, he uses conditional tenses ("If I am insane..."). A poor translation makes this declarative. A great Vietsub keeps the "if" and "maybe" to preserve the mystery.
section to find recommendations for similar psychological thrillers if you enjoyed Shutter Island. Key Themes to Watch For