Keep a check on location for second date (8)
I believe the answer is:
stakeout
'keep a check on location' is the definition.
I can't tell whether this definition defines the answer.
'second date' is the wordplay.
'second' becomes 's' (common abbreviation).
'date' becomes 'takeout' (to take someone out is to date them).
's'+'takeout'='STAKEOUT'
'for' is the link.
Can you help me to learn more?
(Other definitions for stakeout that I've seen before include "Informally, place under surveillance - using sharp stick?" , "Put under surveillance - like statue, OK?" , "Secret surveillance by police" , "Act of surveillance" , "watch closely" .)