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be chatty
用于系动词 be 后作表语，描述人爱说话。
She is very chatty today.
她今天非常爱闲聊。
爱闲聊的；健谈的
chattier — comparative of chatty
先理解核心含义，再看它在真实句子里的用法。
爱闲聊的；健谈的
chatty (full of trivial conversation; friendly and informal in speech)
She is very chatty today.
她今天非常爱闲聊。
提供过多不必要信息的；啰嗦的
Supplying more information than necessary; verbose.
My new neighbor is very chatty and told me her whole life story in five minutes.
我的新邻居很爱闲聊，五分钟内就把她的一生讲给我听了。
I sat next to a chatty girl on the train, and she talked the whole way.
我在火车上坐在一个爱聊天的女孩旁边，她一路说个不停。
She wrote me a long, chatty letter about her summer holiday.
她给我写了一封长长的、闲聊家常的信，讲她的暑假。
用于系动词 be 后作表语，描述人爱说话。
She is very chatty today.
她今天非常爱闲聊。
with 后接聊天对象，表示对某人健谈。
He was chatty with everyone at the party.
他在聚会上跟每个人都聊得很起劲。
chatty 可放在名词前作定语，修饰话语、文章、信件等。
She sent me a chatty email about her trip.
她给我发了一封聊家常的邮件，讲她的旅行。
get + chatty 表示变得健谈，强调状态变化。
He gets chatty when he's nervous.
他一紧张就变得话多。
Not this
She is very chat.
Use this
She is very chatty.
chat 是动词或名词，不能放在 be 动词后面当形容词用；描述某人健谈、爱闲聊应该用形容词 chatty。
Not this
Let's chatty about the weekend.
Use this
Let's chat about the weekend.
chatty 是形容词，不能放在 let's 后面当动词用；表示“聊天”这个动作要用动词 chat。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
爱闲聊的人；健谈的人
My neighbor is a chatty person who loves to gossip.
我的邻居是个爱闲聊的人，特别喜欢讲闲话。
变得健谈；话多起来
After a couple of drinks, he gets chatty.
喝了两杯酒后，他就变得健谈起来。
轻松随意的邮件
I wrote a chatty email to my cousin.
我给表妹写了一封轻松随意的邮件。
闲聊式的语气
Her chatty tone made the lecture feel friendly.
她闲聊式的语气让讲座显得很亲切。
有聊天的兴致；想聊天的心情
She was in a chatty mood all morning.
她整个上午都很想聊天。
话匣子；一打开话匣子就停不下来的人
My aunt is a real Chatty Cathy and will talk to anyone for hours.
我姑姑真是个话匣子，跟谁都能聊上好几个小时。
Use chattier naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
由 chat（闲聊）加 -y 构成，联想一个人特别爱聊天、话多。
语域：informal 常见场景：朋友或熟人之间闲聊、非正式邮件、短信、社交媒体日常交流 chatty 比较常见于日常口语和非正式书面语，通常用来形容人健谈或爱闲聊；在正式场合（如商务报告、学术写作）中较少使用。
这些词都以 -atty 结尾，读音均以 /æti/ 结尾，与 chatty 押韵。注意拼写相似的 catchy /ˈkætʃi/ 和 Cathy /ˈkæθi/ 发音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.