ad hominem
Chelovek delauyschii hapadki na lichnost' opponenta v politicheskix debatax
Example
The debate between the mayoral candidates was going smoothly until the ad hominem attacks began.
Example translation
Kandidati v gorodskoi merii spokoino obsyzhdali preimyschestva svoei kandidatyri poka razgovor ne pereshel na lichnie napadki.
polymath
Universal'nii chelovek ili entsiklopedist ili chelovek vozrozhdeniya
check this out!
Otseni
Translator's comment
The Russian word "otseni" is the closest English slang word to "check this out" or "check it out" from the late 1980s and mid-1990s used by teenagers and criminals (blatnoi yazik) on the streets of the U.S.S.R. and currently the 15 C.I.S. countries (post Soviet republics).
responses
responses = otveti (plural -- mnozhestvennoe chislo)