
bewährt
tried and tested
Describes something that has proven to be good, reliable, and effective over a longer period of time.
Wir setzen auf bewährte Technik, um Risiken zu minimieren.
We rely on tried-and-tested technology to minimize risks.
tried and tested
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tried and tested
Describes something that has proven to be good, reliable, and effective over a longer period of time.
Wir setzen auf bewährte Technik, um Risiken zu minimieren.
We rely on tried-and-tested technology to minimize risks.
'Bewährt' is the past participle of the reflexive verb 'sich bewähren' (to prove oneself / to prove effective). When something 'sich bewährt' has, it has shown in practice that it works well and reliably.
Diese Methode zur Schmerzlinderung hat sich schon oft bewährt.
This method of pain relief has proven effective many times.
'Bewährt' is often combined with nouns that describe an approach or a remedy, e.g. 'bewährte Methode' (tried-and-tested method), 'bewährtes Rezept' (tried-and-tested recipe), 'bewährtes Verfahren' (tried-and-tested procedure), or 'bewährtes Mittel' (proven remedy).
Gegen Erkältungen ist Hühnersuppe ein bewährtes Hausmittel.
Chicken soup is a tried-and-tested home remedy for colds.
'Bewährt' can stand as an adjective before a noun or be used as a predicate adjective with a verb like 'sein' (to be).
Das ist ein bewährtes Vorgehen.
That is a tried-and-tested approach.
reliable
A reliable method consistently produces safe and predictable results. A bewährte method has additionally proved over a longer period of time to be good and effective. zuverlässig therefore describes its performance, while bewährt explicitly requires successful experience over a longer period.

Diese Methode ist bewährt, weil sie seit vielen Jahren gute Ergebnisse liefert.
This method is tried and tested because it has produced good results for many years.
Mit dieser Methode erhalten wir auch unter wechselnden Bedingungen zuverlässig genaue Ergebnisse.
With this method, we obtain reliably accurate results even under changing conditions.