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.
effective / valid
'wirksam' and 'bewährt' both describe something that works well or brings about a desired result. 'wirksam' mainly emphasizes the effect: a measure, remedy, or action has an effect. 'bewährt' additionally says that something has already been used for a longer time and has proven to be reliable. A new medicine can be 'wirksam' even if it has not been known for long. A method is more likely to be called 'bewährt' when many people have already had good experiences with it.
Für kleine Reparaturen benutzt Max eine bewährte Methode seines Vaters.
For small repairs, Max uses a tried-and-tested method from his father.
Das neue Spray ist gegen die Schmerzen schnell wirksam.
The new spray is quickly effective against the pain.