I put my mouth to the dog's ear, and said something known only to us two.

我把嘴巴放在狗的上，说着只有我们两个知道的事情。

And he said that only once in a blue moon does a dog's ear grow back.

而且说，狗的新长出来 真的是千载难逢。

To dog ear the page of book means to bend the top corner slightly like a dog's ear. And this upsets many book lovers.

" To dog ear the page of book" 意思是稍微地折弯书的上角就狗的那样。这种折角行为常常让爱书的人很苦恼。

Frantz and his colleagues analyzed the DNA from a 4,800-year-old Irish dog's ear bone, along with the genomes of hundreds of other modern and ancient dogs.

弗朗的同事们对4800年前爱尔兰狗的骨及数千只现代及古代狗的基因组进行了对比分析。

The monkey immediately leaped on his back, and, grasping the dog's ear, beat away at his head with such good will that his adversary speedily gave in.

猴子敏捷地跳到的背后，一把抓住了大狗的，开始用力地击打它的头部，以至于它的对手很快败下阵来。

Yeah, but he did have to have a bunch of stitches and he said that only once in a blue moon does a dog's ear grow back so...still hoping.

可是必须帮它缝好多针，而且还说只有出现蓝月亮时，狗才会再长出来，所以还有一点点希望。