And when things escalate further, they chase each other while snapping their jaws together.

当事态进一步升级时，他们就会互相追逐，咬紧牙关。

I had to wrap my arms around him, my head at an angle to stop his snapping jaw reaching me.

我不得不用双臂搂住他，我的头呈一定角度， 以阻止他咬住我的下巴。