Sleepy bears, dozing in their grotto, pricked up their ears.

在他们的洞里打着瞌睡的熊们醒来了，竖起了他们的耳朵。

She saw now that they were pricking up their ears interestedly.

她现在看到他们感兴趣地竖起耳朵。

The horses, in their stalls in the barn, pricked up their ears when they heard the goose hollering; and soon the horses had caught on to what was happening.

马儿在谷仓的马厩里，听到鹅叫声就竖起了耳朵;很快，马匹就明白了正在发生的事情。