perdifficiliter
From LSJ
Latin > English (Lewis & Short)
perdiffĭcĭlĭter: adv., v. perdifficilis.
Latin > French (Gaffiot 2016)
perdiffĭcĭlĭtĕr (perdifficilis), très difficilement : Cic. Ac. 2, 47.
Latin > German (Georges)
perdifficiliter, Adv. (perdifficilis), sehr schwer, Cic. Acad. 2, 47.
Latin > Chinese
perdifficiliter. adv. :: 甚難