Engineering Your Accent is easy.
If you take a first principles approach and start with sounds instead of individual words, you can Engineer an American Accent (or any Accent ) in as little.
Sometimes it even takes a lifetime of practice before you get rid of Your accent.
But this is wrong.
If you want to sound like a native speaker, you must grow up around the language or work on it actively for years.
You just need the right framework.
The traditional view is that improving an Accent is hard.
Engineering Your Accent is easy