Difficult
| Operating System
| difficult | |
| gen. | trudno; trudny; nieciekawy; niepomyślny; przekorny |
| operating system | |
| construct. | system działający |
| |||
| trudno; trudny; nieciekawy; niepomyślny; przekorny | |||
| English thesaurus | |||
| |||
| dfclt; diffy | |||
|
Difficult : 17 phrases in 3 subjects |
| Chemistry | 3 |
| General | 13 |
| Government, administration and public services | 1 |