un·doc·u·ment·ed
adjective/ˌʌnˈdɒkjumentɪd/
/ˌʌnˈdɑːkjumentɪd/
- not supported by written evidence
无书面证据的 - undocumented accusations
无书面证据的指控
- undocumented accusations
- not having the necessary documents, especially permission to live and work in a foreign country
无必要证件的；（尤指在外国）无居住证的，无执照的 - undocumented immigrants
无证移民
- undocumented immigrants