keep your ear to the ground
US /kiːp jʊər ɪər tə ðə ɡraʊnd/
UK /kiːp jʊər ɪər tə ðə ɡraʊnd/
1.
to pay attention to what is happening around you in order to be aware of new developments or opportunities
:
•
You need to keep your ear to the ground if you want to find a good job in this industry.
•
The detective always keeps his ear to the ground for any new leads.