stake out
US /steɪk aʊt/
UK /steɪk aʊt/

1.
vigiar, observar
to watch a place or person secretly, especially in order to catch a criminal or to find information
:
•
The police decided to stake out the suspect's house.
A polícia decidiu vigiar a casa do suspeito.
•
They had to stake out the area for hours before anything happened.
Eles tiveram que vigiar a área por horas antes que algo acontecesse.