Je was op zoek naar: operatio difficilis (Latijn - Engels)

difficilis
difficilis, difficile, difficilior -or -us, difficillimus -a -um difficult, troublesome; hard; hard to please/manage/deal with/carry out; obstinate (person), intractable; inflexible; morose/surly; labored;

operatio benevola
charitable

lingua britanniae est difficilis.
the language of britain is difficult.

opus ipsum et non tantum operatio
work

operatio propter carcinoma cervicis uteri
operation because of cervical cancer of the uterus

difficilis facilis, iucundus acerbus es idem
difficult to make it easy, it's just the same acrebus

aetas difficilis, autem, potest esse beata
can be nisivelit

legere est difficilis graecam linginam, sed illud discamus et incremento nostrae scientiarum
to them, not to you, i am an enemy, because they have wronged me.