in duplicate

IPA/ɪn djˈuːplɪkˌeɪt/
IPA/ɪn dˈuːplᵻkˌeɪt/

in duplicate — idiom

1. made, signed, or provided as two identical copies rather than one

1.慣用語B2
釋義

made, signed, or provided as two identical copies rather than one

例句

Please submit the expense form in duplicate to the finance office.

submit [document] in duplicate

Hotel guests must sign the damage form in duplicate at the front desk.

sign [document] in duplicate

同義詞
  • in two copies

    plainer and less formal than the fixed phrase

  • as two copies

    describes the same idea but is less standard in official instructions

文法句型

submit/file/sign [document] in duplicate

be printed in duplicate

用法筆記

Usually follows a verb about preparing or sending paperwork. It is most common in office, legal, travel, and administrative instructions rather than informal conversation.

常見錯誤

❌Please send the invoice in two duplicates.
✅Please send the invoice in duplicate.
💡the phrase already means that two identical copies are required.