blabbermouth

/ˈblæb.ɚ.maʊθ/

名词

喋喋不休的人；碎嘴子；（常指）泄密者
Samantha was labeled as a blabbermouth by her friends after she accidentally shared Sarah's surprise birthday party plans with everyone at school.
萨曼莎在不小心向全校的同学们透露了莎拉的惊喜生日聚会计划之后，被朋友们贴上了话唠的标签。