Definition
To describe a quality that is a very significant and obvious part of someone's character.
某人的突出特质
Don't worry, I won't tell anyone. Discretion is my middle name.
别担心，我不会告诉任何人。谨慎就是我的代名词。
She's always late; tardiness is her middle name.
她总是迟到；迟到是她的代名词。
John is extremely helpful; generosity is his middle name.
约翰非常乐于助人；慷慨是他的代名词。