Is Arabic the hardest language in the world?

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Tags

1. #italian
2. #included
3. #learning
4. #korean
5. #difficulty
6. #easiest
7. #category
8. #swedish
9. #cantonese
10. #arabic
11. #spanish
12. #mandarin
13. #speakers
14. #japanese
15. #danish
16. #other
17. #french
18. #institute
19. #english
20. #language
21. #considerable
22. #hardest
23. #languages
24. #native
25. #chinese