全神贯注地听;聚精会神地听
to be waiting with interest to hear what sb has to say
'Do you know what he said?''Go on — I'm all ears.'“你知道他说什么了吗?” “讲吧,我洗耳恭听。”
释义来自《牛津高阶英汉双解词典》第 9 版