all ears

50 Moby Thesaurus words for "all ears":
      Argus-eyed, advertent, agog, alert, all eyes, assiduous, attentive,
      aux aguets, aware, careful, concentrated, conscious, custodial,
      diligent, eagle-eyed, earnest, finical, finicking, finicky,
      guarded, hawk-eyed, heedful, intense, intent, intentive, keen-eyed,
      lidless, listening, meticulous, mindful, nice, niggling, observant,
      observing, on guard, on the ball, on the job, on the lookout,
      on the watch, open-eared, open-eyed, openmouthed, prudent,
      regardful, sharp-eyed, sleepless, vigilant, wary, watchful,
      with open eyes