Keep an/(one's) ear close to the ground phrase
To try to be aware of everything that is going on around you and of what others are saying.
If you had kept your ear to the ground, you would have been able to answer the teacher's question.
I'm keeping my ear to the ground. I will inform you of what's happening as soon as possible.
To learn valuable trade information, you'll have to keep your ear close to the ground.
The verb "keep" must be conjugated according to its tense.
This expression originated in the late-1800s. The idiom stems from the literal practice of placing one’s ear to the ground in order to hear far off hoof beats, footsteps, or other indicators of something or someone approaching.
Used to indicate that helping each other or working together toward the same goal will have advantages for everyone who is involved
The relationship between fashion and film is that one hand washes the other and both wash the face.