keep a lookout for

US /kiːp ə ˈlʊk.aʊt fɔːr/
UK /kiːp ə ˈlʊk.aʊt fɔːr/
"keep a lookout for" picture
1.

to watch carefully for someone or something, especially to prevent danger or to find something specific

:
•
Please keep a lookout for the delivery truck.
•
We need to keep a lookout for any suspicious activity.
:
watch out forbe on the lookout forlook out forkeep an eye out forscan for
:
be on the lookout forkeepkeep onkeep tokeep inkeep atkeep in with