n (1)頜，顎(mouth-structure for biting or chewing)[C，常 pl]：the upper/lower～上/下頜;the～s of a crocodile/a shark 鱷魚/鯊魚的嘴部;
(2)下巴(lower part of the jaw)[C，常sing]：a strong square～結(jié)實(shí)的方下巴;break a boxer's～打裂拳擊手的下巴;
(3)狹窄入口;(fig)危險的境遇(narrow entrance)[pl]：the～s of a gorge 峽谷口;be into/be out of/escape from the～s of danger(fig)進(jìn)入/脫離/逃脫險境;
(4)鉗牙(爪)(part of a tool or machine that grips or holds sth)[pl]：the～s of a very large wrench/vice 大扳手/虎鉗的齒;
(5)長聊，閑扯，饒舌(long uninteresting talk;talkativeness)[C，U](infml);
one's jaw drops (infml)驚詫(失望)得張口結(jié)舌： Jack's～dropped when he won the prize. 杰克獲獎時驚訝得張口結(jié)舌。
→′jaw-bone n 頜骨;′jaw-breaker n 難發(fā)音的詞;[sl] 大塊硬糖;
vi 喋喋不休，嘮嘮叨叨(talk at great length and in a boring way)[I，I+prep(at)(on)，I+adv(away)]：be～ing at sb about the new car 沒完沒了地對某人談?wù)撔萝?be～ing away for hours 閑聊數(shù)小時