dirficilis (hard to execute or accomplish): non facilis (not easy; by Litotes = far from easy): arduus (hard to reach or attain to; stronger than difficilis, of what borders on the impossible): impeditus (intricate, surrounded with difficulties; opposed to expeditus): magni negotii (requiring great labour; opposed to nullius negotii): Very difficult, perdifficilis; perarduus; perimpeditus: a difficult labour (child-birth), partus difficilis or laboriosus: to have a difficult labour, partum difficulter edere: a difficult task, magnum opus atque arduum: a difficult book, *liber difficilis ad intelligendum: a difficult passage, *locus difficilis ad explicandum [☞ locus contortus, bad]: anything is a difficult task, res est magni negotii; magnum opus est atque arduum: I see how difficult the thing is, res quanta sit intelligo: to be difficult, difficilem esse ad persequendum (to be difficult of execution); difficiles habere explicatus (to be difficult to explain; of a passage; Cic., De N.D., 3, 39, 94); difficilem esse ad intelligendum (hard to understand): difficult to be, etc., diflicilis or non facilis, with superlative in u; or with ad and gerundive, or with infinitive, or substantive. [For the difference of these constructions, Vid: EASY.] It is difficult to, difficile or non facile, arduum, or magnum, or magni est, with infinitive.