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.
双语例句
例：
He thought for a moment, stroking his well-defined jaw.
他抚摸着他那棱角分明的下巴想了一会儿。
2.?[C 可数名词] 颌骨
A person's or animal's jaws are the two bones in their head that their teeth are attached to.
双语例句
例：
a forest rodent with powerful jaws.
一种颌骨发达的森林啮齿动物。
3.?[PL 复数] 危险的局面 , 令人不快的情形
If you talk about the jaws of something unpleasant such as death or hell, you are referring to a dangerous or unpleasant situation.
双语例句
例：
A family dog rescued a newborn boy from the jaws of death.