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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...
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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.
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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!