Выражение уступительных отношений в русских конструкциях с предлогом несмотря на и в болгарских конструкциях с предлогом въпреки

The article considers Russian simple sentences with the preposition несмотря на and Bulgarian simple sentences with the preposition въпреки. Lexico-semantic groups of nouns with which these prepositions combine are defined; the role of the adverb of concession for the communicative structure of the sentence is clarified; some regularities in Russian-Bulgarian and Bulgarian-Russian translation are established.