Subject + 摇头
The verb 摇头 (yáotóu) means "to shake one's head" and typically indicates disagreement, disapproval, or disbelief. It is a verb-object compound where 摇 means "to shake" and 头 means "head." It is commonly used in narrative writing to show a character's reaction.
他听了这个提议,默默摇头。
Tā tīng le zhège tíyì, mòmò yáotóu.
After hearing the proposal, he silently shook his head.
妈妈摇头说这样做不行。
Māma yáotóu shuō zhèyàng zuò bùxíng.
Mom shook her head and said that wouldn't work.
老师摇头表示不同意我的回答。
Lǎoshī yáotóu biǎoshì bù tóngyì wǒ de huídá.
The teacher shook her head to indicate she didn't agree with my answer.