名詞 jaw:

1. the part of the skull of a vertebrate that frames the mouth and holds the teeth
2. the bones of the skull that frame the mouth and serve to open it; the bones that hold the teeth
3. holding device consisting of one or both of the opposing parts of a tool that close to hold an object

動詞 jaw:

1. talk socially without exchanging too much information
   同義詞：chew the fat, shoot the breeze, chat, confabulate, confab, chitchat, chatter, chaffer, natter, gossip, claver, visit
2. talk incessantly and tiresomely
   同義詞：yack, yack away, rattle on, yap away
3. chew (food)
   同義詞：chew, masticate, manducate
4. censure severely or angrily
   同義詞：call on the carpet, take to task, rebuke, rag, trounce, reproof, lecture, reprimand, dress down, call down, scold, chide, berate, bawl out, remonstrate, chew out, chew up, have words, lambaste, lambast

1. Sock him on the jaw!
   揍他的下巴！
2. Give him a sock on the jaw!
   給他下巴上來一拳！
3. A strong square jaw is a sign of firm character.
   強(qiáng)健的方顎是性格堅(jiān)定的象征。
4. My jaw dropped when I saw how much the meal had cost.
   我看到那頓飯要花這麼多錢真大吃一驚。
5. On hearing the news, his jaw dropped.
   聽到這個消息，他驚訝得張口結(jié)舌。

jaw

n.（名詞）

Either of two bony or cartilaginous structures that in most vertebrates form the framework of the mouth and hold the teeth.
顎：大部分脊椎動物具有的支持牙齒的骨架，由兩塊大骨或軟骨結(jié)構(gòu)組成
The mandible or maxilla or the part of the face covering these bones.
頜骨的部分：上頜骨或下頜骨或被臉?biāo)谏w的骨頭的一部分
Either of two opposed hinged parts in a mechanical device.
鉗口：機(jī)械裝置中夾鉗相對的兩個部分中的一個
jaws The walls of a pass, canyon, or cavern.
jaws 側(cè)壁：通道、峽谷或大巖洞的側(cè)壁
jaws A dangerous situation or confrontation:
jaws 危險的境遇：
例句：
the jaws of death.
鬼門關(guān)

Slang
【俚語】
Impudent argument or back talk:
嘮叨或喋喋不休：
例句：
Don`t give me any jaw.
別對我嘮叨

A conversation or chat.
談話或閑聊
v.intr.（不及物動詞）
jawed,jaw.ing,jaws 【俚語】
To talk vociferously; jabber.
叫喊：喧嚷；吱吱喳喳地叫
To talk; converse.
談話；會談

來源：
Middle English jawe, jowe
中古英語 jawe, jowe
perhaps from Old French joue [cheek]
可能源自 古法語 joue [面頰]

【引伸】
jaw.less
adj.（形容詞）