Your jaw is the lower part of your face below your mouth. The movement of your jaw is sometimes considered to express a particular emotion. For example, if your jaw drops, you are very surprised.
He thought for a moment, stroking his well-defined jaw...
Meg's jaw dropped in amazement...
A person's or animal's jaws are the two bones in their head which their teeth are attached to.
...a forest rodent with powerful jaws.
If you talk about the jaws of something unpleasant such as death or hell, you are referring to a dangerous or unpleasant situation.
A family dog rescued a newborn boy from the jaws of death.
...caught in the jaws of world recession.
There is relatively little information about jaws, maybe you can watch a bilingual story to relax your mood, I wish you a happy day!