
garantieren
to guarantee
To firmly assure or promise that something specific will happen or be the case.
Ich kann dir nicht garantieren, dass wir die Karten noch bekommen.
I can't guarantee you that we'll still get the tickets.
to guarantee
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to guarantee
To firmly assure or promise that something specific will happen or be the case.
Ich kann dir nicht garantieren, dass wir die Karten noch bekommen.
I can't guarantee you that we'll still get the tickets.

to guarantee
To provide a warranty for a product, that is, to take responsibility for its functionality for a certain period of time.
Der Hersteller garantiert für dieses Gerät eine Lebensdauer von mindestens fünf Jahren.
The manufacturer guarantees a service life of at least five years for this device.
The ending '-ieren' often indicates a word from another language. Such verbs are always regular and form the perfect tense with 'haben' (to have) and the participle ending in '-t' (garantiert).
Er hat mir garantiert, dass er pünktlich sein wird.
He guaranteed me that he would be on time.
'Garantieren' (to guarantee) is often used with two objects: The person to whom something is guaranteed is in the dative, and the thing that is guaranteed is in the accusative.
Der Verkäufer garantiert dem Kunden eine schnelle Lieferung.
The salesperson guarantees the customer fast delivery.
'Garantieren' (to guarantee) is very often used with a subordinate clause that begins with 'dass' (that). This explains the promise or assurance more precisely.
Wir können garantieren, dass Ihre Daten sicher sind.
We can guarantee that your data is secure.
When it comes to liability for a product, the preposition 'für' + accusative is often used.
Der Handwerker garantiert für die Qualität seiner Arbeit.
The craftsman guarantees the quality of his work.
to promise
Garantieren and versprechen can both mean giving a binding assurance that something specific will happen. Garantieren emphasizes a particularly high level of certainty about the outcome, while versprechen primarily expresses the speaker's personal commitment. Choose garantieren when assuring the outcome and versprechen for a personal undertaking.

Der Anbieter garantiert, dass die Reparatur bis Freitag fertig ist.
The provider guarantees that the repair will be finished by Friday.
Ich verspreche dir, dass ich die Reparatur bis Freitag fertig mache.
I promise you that I will finish the repair by Friday.