countersign

• 名词，指为了进入受保护区域或加入团体而必须说出的暗语、口令或信号；也指在文件上为确认其真实性而附加的第二签名。

A noun referring to a secret word, phrase, or signal that must be given by a person seeking admission to a guarded area or group, or a secondary signature on a document to confirm its authenticity.

1. Secondary signatureC1formal

   A second signature added to a document to confirm its authenticity or validity.

   副署

   • The contract requires a countersign from the manager.
   • She added her countersign to the agreement.
   • The bank requested a countersign on the check.

   同义词countersignature

2. Military passwordC1formal

   A secret word or signal used to identify someone as authorized, especially in military contexts.

   口令

   • The soldier gave the countersign to the guard.
   • Only those who knew the countersign could enter the base.
   • The countersign changed daily for security reasons.

   同义词parolepasswordwatchword

• 指在他人已签署的文件上副署签名，通常用于确认或证明文件的真实性。也可指签字盖章以示认可或批准。

A verb used to indicate the act of signing a document that has already been signed by another person, typically to confirm or authenticate it.

1. Sign a document already signed by anotherC1formal

   To sign a document that has already been signed by someone else, typically to confirm its authenticity or validity.

   副署

   • The manager must countersign the contract after the director signs it.
   • All checks over $10,000 require a second officer to countersign.
   • The witness will countersign the agreement to verify the signatures.

   同义词attestcosignendorsewitness