adj.爱闲聊的；非正式的
He's a friendly chatty sort of person. 他这个人挺和善，很爱讲话。
He couldn't have been more chatty and pleasant. 他太健谈太讨人喜欢了。
Holmes used an informal and chatty tone in his essays. 霍姆斯在文章中语气轻松随便。
