ear to the ground

noun

(idiomatic) The practice or characteristic of carefully gathering information; a state or mindset of attentiveness.

I always have my ear to the ground for any new job opportunities.

意味（1）

(idiomatic) The practice or characteristic of carefully gathering information; a state or mindset of attentiveness.

意味（2）

(attributively, usually hyphenated) Pursuing the practice or having the characteristic of carefully gathering information; well-informed.

The ear-to-the-ground President knew that all the unrest could not be blamed on Communists.