Odamlar uchun eng qiyin til o'rganish o'z ona tili va yangi tillarni o'rganish qobiliyati kabi omillarga bog'liq. Umuman olganda, insonning ona tilidan juda farq qiladigan tillar, ayniqsa murakkab grammatika va noyob tovush tizimlari bo'lsa, o'rganish qiyinroq bo'lishi mumkin deb hisoblanadi. Insonlar uchun qiyin deb hisoblangan tillarning ba'zi misollari quyidagilardir: -Xitoycha -Mandar -Arabiy -Koreys -Fin -Yaponiyacha.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence