покоритьсяdare [o, dedi,
запиратьсяincludi [e]tc.; negare
пакетботnavis [is, f]
difficilis [e];arduus [a, um];asper [a, um];laboriosus [a, um];impeditus [a, um];involutus [a, um];impotunus [a, um] (pauperies);iniquus [a, um] (tempus;locus;via);+ трудный вопрос ardua quaestio (alicui solvenda est);