n.[C]

1. （人，動物的）嘴
   Open your mouth wider, please.

   請把嘴張大些。

2. 需撫養的家屬
3. （作為說話器官的）口；言辭
4. 口狀物；進出口；河口；（瓶子等的）口
   A big rock blocked the mouth of the cave.

   一塊大石頭堵住了洞口。

vt.

1. 不出聲地說
   The nurse mouthed the word "quiet".

   護士以口形默示"安靜"。

2. 裝腔作勢地說；言不由衷地重複
   An actor who mouths his speeches is a poor actor.

   念臺詞裝腔作勢的演員是拙劣的演員。

vi.

1. 裝腔作勢地說話；誇大地說話

n.

1. the opening and cavity in the lower part of the face, surrounded by the lips, through which food and air are taken and vocal sounds are emitted.
   ▸the corresponding opening through which an animal takes in food.
2. an opening or entrance of a hollow, concave, or similar structure.
   ▸the opening of a container.
3. the opening or entrance to a harbour or bay.
   ▸the place where a river enters the sea.
4. informal talkativeness or impudence.

v.

1. move the lips as if to form (words):
   she mouthed a silent farewell.
   ▸say in an insincere or pompous way.
   ▸ (mouth off) informal talk in an opinionated or boastful way.
2. take in or touch with the mouth.