be a so-and-so
非正式，含贬义，指令人讨厌或鄙视的人。
He's a real so-and-so for saying that.
他说那种话，真是个卑鄙的家伙。
某某人, 某某事
so-and-sos — plural of so-and-so
用于人或物的占位符名称,当名字未知时使用；一个普通的人或物。；被视为卑鄙或可鄙的人；某某人；某某事
用于人或物的占位符名称,当名字未知时使用；一个普通的人或物。
A placeholder name for a person or thing, used when a name is not known; a generic person or thing.
被视为卑鄙或可鄙的人
a person who is deemed to be despicable or contemptible
I don't want to work with that so-and-so ever again; he took all the credit.
我再也不想和那个某某人一起工作了；他把所有功劳都抢走了。
用法提示：用作名词，指代令人厌恶的、不愿指名的人
She called him a lazy so-and-so after he failed to meet the deadline.
他在截止日期前未能完成任务后，她骂他是个懒惰的某某人。
用法提示：用作名词，带有贬义，指代可鄙的人
Those so-and-sos in accounting always find a way to delay payments.
财务部的那帮某某人总有办法拖延付款。
用法提示：复数形式，指代一群令人反感的人
非正式，含贬义，指令人讨厌或鄙视的人。
He's a real so-and-so for saying that.
他说那种话，真是个卑鄙的家伙。
I can't believe that so-and-so took my parking spot.
我真不敢相信那个家伙占了我的停车位。
so-and-so's 是所有格形式，后接名词。
I'm tired of listening to so-and-so's complaints.
我听够了某某人的抱怨。
grammar · medium
易错句子The movie was so-and-so.
正确表达The movie was so-so.
so-and-so是名词，指人，不能用作形容词表示“一般般”；意为“平平”的短语是so-so。
grammar · medium
易错句子Those so-and-so are always late.
正确表达Those so-and-sos are always late.
so-and-so的复数形式是so-and-sos，需加-s，不能保持原形。
两者都用于指代未具体说明的人或事物，但'so-and-so'通常带有贬义，而'such and such'是中性泛指。
两者都指代不知姓名的人，但'so-and-so'隐含轻蔑或不满，而'what's-his-name'仅表示忘记名字，无贬义。
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