be on the lookout (for sb/sth) | keep a ˈlookout (for sb/sth)
( informal ) to watch carefully for sb/sth in order to avoid danger, etc. or in order to find sth you want :
The public should be on the lookout for symptoms of the disease.
be on the lookout (for sb/sth) | keep a ˈlookout (for sb/sth)
( informal ) to watch carefully for sb/sth in order to avoid danger, etc. or in order to find sth you want :
The public should be on the lookout for symptoms of the disease.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005