| монгол | khk-000 |
| хэцүү | |
| English | eng-000 | arduous |
| English | eng-000 | complex |
| English | eng-000 | difficult |
| English | eng-000 | ferocious |
| English | eng-000 | fierce |
| English | eng-000 | heavily |
| English | eng-000 | heavy |
| English | eng-000 | inextricable |
| English | eng-000 | multiple |
| English | eng-000 | pass |
| English | eng-000 | perplexed |
| English | eng-000 | rampant |
| English | eng-000 | rigorous |
| English | eng-000 | severe |
| English | eng-000 | severely |
| English | eng-000 | sore |
| English | eng-000 | stern |
| English | eng-000 | stiff |
| English | eng-000 | terrible |
| English | eng-000 | thorny |
| English | eng-000 | tough |
| English | eng-000 | trying |
| русский | rus-000 | жесткий |
| русский | rus-000 | прочность |
| русский | rus-000 | свирепый |
| русский | rus-000 | сдирать кожу |
| русский | rus-000 | сложный |
| русский | rus-000 | строгий |
| русский | rus-000 | труднодоступный |
| русский | rus-000 | трудный |