loudmouth的复数形式怎么拼写？

He is a loudmouth who cannot be trusted with secrets.他是个多嘴多舌的人,不能相信他能为别人保守秘密.Isn't that enough, you loudmouth?还说得不够吗, 你这个多嘴鸟?...

loudmouth的音标：loudmouth的英式发音音标为：['laʊdmaʊθ]loudmouth的美式发音音标为：['laʊdˌmaʊθ]...

n.高声谈话的人...