BE ON THE KEEP A LOOKOUT
Meaning of BE ON THE KEEP A LOOKOUT in English
KEEP WATCH, keep an eye out, keep one's eyes peeled, keep a vigil, be alert, be on the qui vive.
2192; headword
Concise Oxford thesaurus English vocabulary.
Краткий оксфордский словарь английского языка тезаурус.
2012