be all earsinformalINTERESTED to be very keen to hear what someone is going to tell you 全神贯注地听，洗耳恭听 As soon as I mentioned money, Karen was all ears. 我一提到钱，卡伦马上就竖起了耳朵。
be all ears• Go ahead, I'm all ears.• Tell me exactly what happened. I'm all ears.• Everyone was all ears as soon as I mentioned a cash prize.
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