hear the grass grow

Verb

 * 1)  To have an extremely sensitive sense of hearing.
 * 2) * 1855, Thomas Bulfinch, Bulfinch's Mythology: The Age of Fable, ch. 31 "Northern Mythology",
 * Heimdall is the watchman of the gods. . . . So acute is his ear that no sound escapes him, for he can even hear the grass grow and the wool on a sheep's back.
 * 1)  To hear very well due to being in an exceptionally quiet environment.
 * 2)  To be very aware or discerning; to pay attention to every small detail.
 * 1)  To be very aware or discerning; to pay attention to every small detail.

Usage notes

 * Typically used with can, could, or be able to.

Translations

 * German:
 * Polish: słyszeć jak trawa rośnie