Mother's Day originated in a modern sense, the United States, by AmanmJarvis (1864-1948) initiated by her unmarried life. always accompany her mother around.

现代意义上的母亲节起源于美国，由AmanmJarvis(1864 - 1948)发起，她终身未婚，一直陪伴在她母亲身边。

youdao

Illegitimate child. Old, denigrating, and now obsolete term for the child of an unmarried mother.

i私生子为老旧的、诋毁名誉的并且现今废止了的术语，意思是未婚母亲所生之子。

youdao

However, six weeks earlier, Gonzalez and Mildred got married, canceling Mildred's ability to apply for legal status through her mother because she was no longer an unmarried daughter under the age of 21.

CNN: U.S. sailor: Don't deport my wife