
das Mundwerk
mouth
Colloquial and often mocking: the mouth as the organ of speech, especially when someone talks a lot, loudly, or rudely.
Sein Mundwerk stand den ganzen Abend nicht still.
His mouth didn't stop all evening.
mouth
das Mundwerk, die Mundwerke
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mouth
Colloquial and often mocking: the mouth as the organ of speech, especially when someone talks a lot, loudly, or rudely.
Sein Mundwerk stand den ganzen Abend nicht still.
His mouth didn't stop all evening.

to have a smart mouth
Colloquial: to speak rudely and without much consideration for others.
Du hast ein loses Mundwerk, wenn du so mit deiner Chefin sprichst.
You have a smart mouth if you talk to your boss like that.

to have a way with words
Colloquial: to be able to speak skillfully and quickly, and to know how to defend oneself with words.
Sie hat das Mundwerk am rechten Fleck und lässt keine freche Bemerkung unbeantwortet.
She has a way with words and never leaves a rude remark unanswered.

to be unable to keep one's mouth shut
Colloquial: to be unable to keep quiet even when it would be appropriate or expected.
Obwohl wir Stillschweigen vereinbart hatten, konnte er sein Mundwerk nicht halten und verriet unseren Plan.
Although we had agreed to keep quiet, he couldn't keep his mouth shut and revealed our plan.
| gender | neuter das |
|---|---|
| plural | die Mundwerke |
| genitive | des Mundwerkes |
| singular | plural | |
|---|---|---|
| nominative | das Mundwerk | die Mundwerke |
| accusative | das Mundwerk | die Mundwerke |
| dative | dem Mundwerk | den Mundwerken |
| genitive | des Mundwerkes des Mundwerks | der Mundwerke |
The article changes with the case; it is shown in colour.
'Mundwerk' (mouth) is made up of 'Mund' (mouth) and 'Werk' (work). The word presents the mouth as a kind of tool or 'apparatus' for speaking.
Sein Mundwerk brachte ihn schon mehrmals in Schwierigkeiten.
His mouth has already gotten him into trouble several times.
For the meaning of talking a lot or continuously, the fixed expression 'das Mundwerk steht nicht still' (one's mouth does not stop) is particularly typical. The subject is 'das Mundwerk' (one's mouth), often with a possessive determiner, as in 'ihr Mundwerk' (her mouth).
Beim Abendessen stand ihr Mundwerk keine Minute still.
Her mouth didn't stop for a minute during dinner.
The expression 'ein loses Mundwerk haben' (to have a smart mouth) is usually used as a reproach. It is used with 'haben' (to have), and a person is the subject.
Er hat ein loses Mundwerk und beleidigt damit oft andere Leute.
He has a smart mouth and often insults other people with it.
'Das Mundwerk am rechten Fleck haben' (to have a way with words) is a fixed expression used with 'haben' (to have). It is often used approvingly when someone responds quickly and appropriately in a difficult situation.
Unsere Sprecherin hat das Mundwerk am rechten Fleck und hatte in der Diskussion auf jede Frage sofort eine passende Antwort.
Our spokesperson has a way with words and immediately had a suitable answer to every question in the discussion.
In 'sein Mundwerk nicht halten können' (to be unable to keep one's mouth shut), 'können' (can/be able to) functions as a modal verb; 'sein Mundwerk' (one's mouth) is the accusative object. The expression is often used when someone reveals a secret or some information.
Er konnte sein Mundwerk wieder einmal nicht halten und erzählte alles weiter.
Once again, he couldn't keep his mouth shut and told everyone everything.