| 艰 |
jiān jù | variant of 艰巨 |
| 艰 |
jiān jù | (of a task, mission or responsibility) extremely difficult; challenging; demanding |
| 艰 |
jiān | difficult / hard / hardship |
| 巨 |
jù | very large; huge; tremendous; gigantic / (coll.) very; extremely |
| 巨 |
jù | variant of 巨 |