be on the lookout for

US /bi ɑn ðə ˈlʊkˌaʊt fɔr/
UK /bi ɑn ðə ˈlʊkˌaʊt fɔr/
"be on the lookout for" picture
1.

tetikte olmak, aramak

to be actively watching or searching for something or someone

:
We need to be on the lookout for any suspicious activity.
Herhangi bir şüpheli faaliyete karşı tetikte olmalıyız.
The police are on the lookout for the escaped prisoner.
Polis, kaçan mahkumu arıyor.