трудныйdifficilis [e];arduus
пчельникapiarium [ii, n];
нырятьse subdere [o,
genuinus [a, um];verus [a, um] (amicitia;virtus);certus [a, um];fide dignus [a, um];authenticus [a, um];originalis [e];originarius [a, um];praesens [ntis];proprius [a, um];