mouth the words 默念
mouthed words 无声的话
A: Can you hear her?
A：你能听到她说话吗？
B: No, she only mouthed the words, she didn't speak out loud.
B：听不到，她只是在用口型说，没有大声说出来。
1) 用口型说话
2) 默念
3) 口型表达
1. (verb) 指通过移动嘴唇来发出单词，但不发出声音。
verb
1. To move the lips as if speaking without making any sound.
Synonym: lip-sync