Is Korean a difficult language to learn?

Related questions

1. How long does it take to learn Korean with duolingo?
2. What is the highest level in duolingo?
3. Can you actually learn a language in your sleep?
4. Is duolingo as good as Rosetta Stone?
5. Can adults learn a new language?
6. How long does it take to finish duolingo Spanish?
7. Can you use duolingo on a computer?
8. Can I download duolingo lessons?
9. What is going on with duolingo?
10. Can duolingo make you fluent in Korean?

Tags

1. #korean
2. #japanese
3. #chinese
4. #learn
5. #learning
6. #compared
7. #means
8. #might
9. #although
10. #ranked
11. #impossible
12. #service
13. #institute
14. #difficult
15. #advantages
16. #actually
17. #languages
18. #foreign
19. #think
20. #easier