sharp-eared

The sharp-eared boy was not long in pointing out a huge, hollow chestnut tree.

He feared, however, that sharp-eared sentinels might be lurking at the edge of the plain.

When these words were overheard by the sharp-eared comrade and repeated to the Simpleton, he was in despair.

Barsimon did not answer until the slow-handed, sharp-eared little slave girl had followed his wife into the kitchen.