Used chiefly as an uncountable noun meaning flattering or persuasive talk.
Don’t be taken in by his sweet-talk.
Не дай себя обмануть его лестью.
Regular verb meaning to use flattery or persuasion.
She sweet-talked the guard into letting her through the gate.
Она умаслила охранника, и он пропустил её за ворота.
Attributive use before a noun (e.g., "sweet-talk tactics"). Not gradable.
Their sweet-talk approach often wins skeptical customers.
Их льстивый подход часто убеждает скептически настроенных покупателей.