blow (someone's) cover

Traducciones
выдать (кого-то)
The spy was careful not to blow her cover.
Шпионка была осторожна, чтобы не выдать себя.
Definiciones
To reveal someone's secret identity, intentions, or activities, especially when they are trying to remain hidden or undercover.
Palabras
cover

noun
обложка
blow

verb
дуть