How are people learning languages when it fails miserably and often in very misleading ways. If i use it for a language i have experience with the nonsense is i

How are people learning languages when it fails miserably and often in very misleading ways. If i use it for a language i have experience with the nonsense is immediately visible. When i use it in a language i know nothing about it looks plausible. But then the code is incredibly misleadingly wrong.