feeling that you have done nothing wrong
ощущение, что ты не сделал ничего плохого (oshchushcheniye, chto ty ne sdelal nichego plokhoho)
"He can sleep well because he has a clean conscience."
"Он может хорошо спать, потому что у него чистая совесть." (On mozhet khorosho spat', potomu chto u nego **chistaya sovest'**.)
To fit perfectly.
to cause someone to feel sympathy or emotion
to feel very good or confident
someone who appears harmless but is actually dangerous
to complete or carry out one's duties
the best of a group; the finest selection