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German Phrase

Welche Details brauchst du?

/ˈvɛlçə ˈdeːtaɪls ˈbʁaχst duː/
Meaning"Which details do you need?"
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Meaning

This question asks the listener to specify which particular details they need. It is a direct way to request clarification or more information, often used in work, study, or planning contexts.

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When to use

Use this sentence when you want to know exactly what information someone requires, especially in informal settings with friends, colleagues, or classmates. In formal situations replace ‘du’ with ‘Sie’: ‘Welche Details brauchen Sie?’

✦Grammar Breakdown

WelcheDetailsbrauchstdu?

1

Welche (interrogative determiner)

‘Welche’ is the plural form of ‘welcher/welche/welches’ and is used before plural nouns regardless of gender.

2

Details (plural noun)

‘Details’ is a neuter plural noun meaning ‘details’; it does not change in the accusative case.

3

brauchst (verb conjugation)

‘brauchen’ (to need) is conjugated to ‘brauchst’ for the second‑person singular ‘du’.

4

du (subject pronoun)

In informal German the pronoun ‘du’ follows the verb in a question, unlike English where it precedes the verb.

🗨In Conversation

A

Welche Details brauchst du für das Projekt?

Which details do you need for the project?

Ich brauche die Zeitplanung und das Budget.

I need the schedule and the budget.

B

✕Common Mistakes

  • Welche Details braucht du?

    ‘braucht’ is the 3rd‑person singular form; with ‘du’ you must use ‘brauchst’.

  • Welcher Details brauchst du?

    ‘welcher’ is singular masculine; the noun ‘Details’ is plural, so you need ‘Welche’.

  • Welche Details du brauchst?

    In a direct question the verb comes before the pronoun: ‘brauchst du’, not ‘du brauchst’.

↔Alternatives

  • Welche Angaben brauchst du?

    Which specifications do you need?

  • Was für Details benötigst du?

    What kind of details do you need?

  • Welche Informationen benötigst du?

    Which information do you need?

de

Cultural Tip

German speakers appreciate precision, so asking for ‘Details’ signals that you want concrete, specific information. Remember that using ‘du’ makes the question informal; in business emails or with strangers you should switch to the formal ‘Sie’ (Welche Details brauchen Sie?). Also, avoid over‑using ‘welche’ with singular nouns – use ‘welcher’/‘welche’/‘welches’ according to gender.