mouthing
n. 苦相;怪脸
例句
They're just mouthing empty slogans.
他们只是在空喊口号。
《牛津词典》
"Can I watch TV?" he'd ask, and then follow the questions by mouthing the word Mom.
“我能看电视吗?”他会问道,问题之后是“妈妈”的口型。
Avoid bad-mouthing previous employers.
避免说前任上司的坏话。