mouthing words 默念
mouthing off 顶嘴
lip mouthing 唇语
1. She was mouthing the lyrics to the song silently.
她在默默地用嘴型比划歌词。
2. The child was mouthing the toy to explore its texture.
孩子正把玩具含在嘴里试探它的质地。
3. I could see her mouthing my name.
我能看到她在无声地念我的名字。
A: Can you hear her? She's not making any sound.
A：你能听到她吗？她一点声音都没发。
B: No, she is just mouthing the words.
B：没有，她只是在用嘴型比划单词。
1) 默念或用嘴型模仿说话
2) 将东西放入嘴里
3) 顶嘴（多用于mouthing off）
1. 默念；用嘴型说话
e.g. He was mouthing the words to the prayer.
他正在默默地念诵祷文。
2. 把……放入嘴里
e.g. The baby is mouthing the teething ring.
宝宝正把磨牙环含在嘴里。
present participle / noun
1. The act of forming words with the lips without making sound, or the act of putting something into the mouth.
Synonym: lip-syncing