
vorweisen
to present
To show or present something (e.g., a document, a qualification) in order to prove or verify something.
Am Eingang müssen Sie bitte Ihre Eintrittskarte vorweisen.
At the entrance, please present your admission ticket.
to present / show
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to present
To show or present something (e.g., a document, a qualification) in order to prove or verify something.
Am Eingang müssen Sie bitte Ihre Eintrittskarte vorweisen.
At the entrance, please present your admission ticket.

to have
To possess a certain quality, ability, or achievement and be able to present it.
Der Bewerber konnte beeindruckende Referenzen vorweisen.
The applicant was able to present impressive references.
'Vorweisen' (to present/show) is a separable verb. The prefix 'vor' comes at the end in main clauses. In subordinate clauses and in the infinitive with 'zu', the verb stays together.
Weisen Sie bitte Ihren Pass vor.
Please present your passport.
The verb is made up of the prefix 'vor' (forward, present) and 'weisen' (to show). Literally, it means holding something forward in order to show it.
Können Sie bitte Ihre Buchungsbestätigung vorweisen?
Can you please present your booking confirmation?
This verb belongs to formal language. It is used in official, professional, or administrative situations, for example during an inspection or in a job application.
Für diese Position müssen Sie exzellente Englischkenntnisse vorweisen.
For this position, you must be able to demonstrate excellent English skills.
In the meaning of 'vorzeigen' (to show), the verb is often combined with documents that are presented as proof. Typical examples are: present an ID, a ticket, a visa, or a certificate.
Bei der Kontrolle mussten alle Fahrgäste ihr Ticket vorweisen.
During the inspection, all passengers had to present their ticket.
When referring to abilities or achievements, 'vorweisen' (to present/show) is used with abstract nouns. Common examples are: present successes, knowledge, qualifications, or references.
Das Unternehmen kann ein beeindruckendes Wachstum vorweisen.
The company can show impressive growth.
to prove / detect
Nachweisen emphasizes that a qualification is confirmed by verifiable evidence. Vorweisen emphasizes the concrete presentation of the qualification or document. So you can present a certificate in order to prove the required knowledge.

Für die Stelle muss sie ein Zertifikat über ihre Sprachkenntnisse vorweisen.
For the position, she has to present a certificate showing her language skills.
Für die Stelle muss sie ihre Sprachkenntnisse mit einem Zertifikat nachweisen.
For the position, she has to prove her language skills with a certificate.