n.颚；颌；下巴；钳口；说教
v.喋喋不休；教训
A strong square jaw is a sign of firm character. 强健的方颚是性格坚定的象征。
He fell from a ladder, and broke his jaw bone. 他从梯子上掉了下来，摔伤了颌骨。
Give him a sock on the jaw! 给他下巴上来一拳！
On hearing the news, his jaw dropped. 听到这个消息，他惊讶得张口结舌。
Broken pipes adopt a hacksaw or a saw without teeth.The size of pipe needing to cut should be exact.Put pipes on the center of pressure jaw, and keep fractures even. 断管采用钢锯或无齿锯，需断切的管子尺寸准确，将管子置于压力钳口中心卡紧，断口平齐。
用作动词 (v.)