be on the lookout for

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

waspada terhadap, mencari

to be actively watching or searching for something or someone

:
We need to be on the lookout for any suspicious activity.
Kita harus waspada terhadap aktivitas mencurigakan apa pun.
The police are on the lookout for the escaped prisoner.
Polisi sedang mencari tahanan yang kabur.