1. 名詞
   不可數名詞: 誇口話
   怪臉, 苦相
   

   同義字詞
   chops,kisser,mug,yap
   face,frown,grimace,lower,lour,mug,pout,scowl
   back talk,backchat,cheek,impertinence,impudence,insolence,sass,sauce
   

2. 動詞
   mouth現在分詞:
   不及物動詞:
   裝腔作勢地說話, 誇大地說話
   及物動詞:
   不出聲地說...(話語等)
   言不由衷地重複...(話語等)
   裝腔作勢地說...(話語等)
   mouthing off at ...(人) :
   大聲責罵...
   mouthing off about ...(事物) :
   

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   同義字詞
   grimace,mug
   grunt,mumble,murmur,mutter
   

例句

1. Love you (shake head mouthing not really).
2. And bad mouthing McChrystal behind his back ?
3. Mouthing dialogue in mime is an easy get out!
4. I felt cut off, a fish mouthing behind glass.
5. Nizan is not simply mouthing the party line here.
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