stake something out

Từ điển Oxford Advanced Learner 8th

ˌstake sthˈout derived
1. to clearly mark the limits of sth that you claim is yours
2. to state your opinion, position, etc. on sth very clearly
•The President staked out his position on the issue.
3. to watch a place secretly, especially for signs of illegal activity
•Detectives had been staking out the house for several weeks.
related noun ↑stake-out
Main entry: ↑stake_derived