undocumented，英语单词，主要用作形容词，作形容词时译为“无事实证明的；无正式文件的”。
短语搭配
undocumented alien 非法入境移民 ; 非法入境
undocumented units 无证单位
undocumented immigrants 无身份移民
undocumented persons 无证照人士
Undocumented method 未标明的隐含方法
undocumented workers 无手续移民 ; 无证工人 ; 无证劳工
undocumented feature 非文件功能
undocumented a 无正式文件的
undocumented worker 无证工人
双语例句
What do nativists have to fear, if fewer people are trampling the border and some undocumented workers are going home?如果由边界潜入的人数减少，同时一些无证工人也纷纷返乡，本土主义者们还有什么可担心的呢？
A legal advocacy group for Latinos in the United States has criticized the acquittal of two young men of charges in connection with the killing of an undocumented Mexican immigrant.美国一个支持拉丁美洲人的律师团批评法院，原因是法院宣布两名涉嫌杀害一名无文件证明身份的墨西哥移民的年轻人无罪。
Because so many of them are undocumented or too young, Latinos elsewhere don't vote much-so far.因为到目前为止，他们中大部分人或是无证件或是年龄太小，其他地方的拉美人也不常投票。