im Nachhinein
in retrospect
A fixed expression meaning that something is considered or judged later, after the actual event; looking back.
Im Nachhinein betrachtet war die Entscheidung goldrichtig.
In retrospect, the decision was absolutely right.

in retrospect
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in retrospect
A fixed expression meaning that something is considered or judged later, after the actual event; looking back.
Im Nachhinein betrachtet war die Entscheidung goldrichtig.
In retrospect, the decision was absolutely right.

The word 'nachhinein' is used almost exclusively in the fixed expression 'im Nachhinein' (in retrospect). It cannot stand alone.
Im Nachhinein war es eine gute Idee, den Regenschirm mitzunehmen.
In retrospect, it was a good idea to take the umbrella.
The expression 'im Nachhinein' (in retrospect) can stand at the beginning of the sentence (position 1), which leads to inversion (verb in position 2). But it can also be placed in the middle of the sentence.
Im Nachhinein hat sich alles als richtig herausgestellt.
In retrospect, everything turned out to have been right.
'Im Nachhinein' (in retrospect) is often combined with verbs of realizing, evaluating, or regretting. Typical verbs are 'feststellen' (to determine/realize), 'sich herausstellen' (to turn out), 'erkennen' (to recognize/realize), or 'bedauern' (to regret).
Im Nachhinein stellte sich heraus, dass der erste Plan der beste war.
In retrospect, it turned out that the first plan was the best.
afterward / after that
'danach' and 'im Nachhinein' both have to do with a later point in time. 'danach' simply describes that something happens later. It puts events in order. 'im Nachhinein' is used when you look back on something later and judge it or understand it differently. Learners may confuse the words because both refer to a time after an event. Remember: 'danach' says what happens next; 'im Nachhinein' says how something is evaluated later.

Im Nachhinein findet Herr Müller, dass die Entscheidung richtig war.
In retrospect, Mr. Müller thinks that the decision was right.
Wenn du den Text gelesen hast, besprechen wir danach die Fragen.
Once you have read the text, we will discuss the questions afterward.