BE ON THE LOOKOUT (OR KEEP A LOOKOUT) FOR
Meaning of BE ON THE LOOKOUT (OR KEEP A LOOKOUT) FOR in English
be on the lookout ( or keep a lookout) for
be alert to.
↘keep searching for.
→ lookout
Concise Oxford English vocab.
Сжатый оксфордский словарь английского языка.
2004