- What is the hardest language to learn?
- Why is duolingo so bad?
- Is duolingo Bird evil?
- Is 1 hour a day enough to learn a language?
- Has anyone actually learned a language with Rosetta Stone?
- How long does it take to finish duolingo?
- Can duolingo make you fluent?
- Is duolingo accurate?
- Is Babbel better than duolingo?
- Is duolingo a girl?
- What is the most popular language on duolingo?
- What happens if you don’t do duolingo?
- Does duolingo teach swear words?
- Is it worth paying for duolingo?
- Who has the longest duolingo streak?
- Is Rosetta Stone better than duolingo?
- What level of fluency is duolingo?
- Is duo a boy or girl?
- Has anyone actually learned a language on duolingo?
- Is duolingo dangerous?
- Does the duolingo bird actually kill you?
What is the hardest language to learn?