stake out
Upper Intermediate (B2)neutral
To secretly watch a place while waiting for something to happen, like a detective would
"The detectives staked out the warehouse for three nights before the suspects finally arrived."
Hear it in context

Jason Silva and Douglas Rushkoff | Creative Session
Jason Silva: Shots of Awe · 40:44
You kind of stake out positions.

What's Hidden Under the World's Most Mysterious Places?
RealLifeLore · 117:01
to stake out their own territorial claims

Rick Steves Holy Land: Israelis and Palestinians (2014)
Rick Steves' Europe · 13:22
homes of Zionist families determined to stake out

Bar Rescue’s Most OUTRAGEOUS Moments 😮 SUPER COMPILATION
Bar Rescue · 39:47
Jon and Maria stake out the Los Angeles Brewing Company,

Playing All of PRAGMATA!
CDawgVODs · 227:21
And when I get bored, I simply find somewhere else to stake out.