Undocumented
a. 无正式文件的, 无事实证明的
🗣️ 情景例句
who really needs to be wearing a tuxedo,
真正需要穿燕尾服的人，
Let's see you do it!
有本事你做给我看！
He did not marry again and I was brought up without a woman's care;
父亲没有再娶，因此，我在没有母亲的环境里长大成人。