Peculiarities of the syntactical realization of the phrasemes <i>в пух и (в) прах and не на жизнь (живот), а на смерть</i>: comparative analysis.
The paper describes the types of propositions in which the idioms <i>в пух и прах </i>and <i>не на жизнь, а на смерть </i>are used, defines their semantic and functional similarities and differences, and specifies the meanings of these idioms.