但是你可想而知，鹅卵石可不是熊可以咬开的。

But as you may imagine, they were more than he could crack.

youdao

咬开c2 ~ 3左侧小关节，显露左侧神经根袖套。

C2-3 left facet joint was cut open to expose left nerve root sleeve.

youdao

他好像一点儿也没有担心害怕的样子，逍遥自在地从衣袋里拿出几个核桃，咬开后，吃着核桃仁。

And in leisurely manner, as if he were quite unconcerned, he took some walnuts out of his pocket, cracked them open with his teeth and ate the kernels.

youdao