"undocumented" in Chinese (Simplified)

• 无证件的
• 未登记的

Definition

指没有必要官方文件的人或物，通常用于描述没有合法身份的移民。也可以指任何缺乏适当文件的事物。

Usage Notes (Chinese (Simplified))

多用在正式或法律语境中描述移民（如“无证移民”），比“非法”更中性、尊重。也可泛指缺少正式记录的情况。

Examples

Many undocumented immigrants live in the city.

许多**无证件的**移民住在这座城市。

The worker was undocumented and could not get a contract.

这名工人是**无证件的**，无法签合同。

Some historical events are undocumented.

有些历史事件是**未登记的**。

He grew up as an undocumented child in the U.S.

他在美国作为**无证件的**孩子长大。

She was afraid to report the crime because she was undocumented.

她因为是**无证件的**，害怕报警。

This discovery remained undocumented for decades.

这个发现被**未登记**了几十年。