to point out / raise one’s hand
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to point out
To make something clear, explain it, or demonstrate it, often by drawing attention to a problem, possibility, or connection.
Der Bericht zeigt die gravierenden Mängel im System schonungslos auf.
The report mercilessly points out the serious flaws in the system.
'Aufzeigen' (to point out / raise one's hand) is a separable verb. In a main clause, the prefix 'auf' stands at the end. In subordinate clauses and in the infinitive with 'zu', the verb stays together.
Die Studie zeigt neue Lösungswege auf.
The study points out new possible solutions.
The meaning can be recognized from the object. If the verb has an abstract object like 'Möglichkeiten' (possibilities) or 'Fehler' (mistakes), it means 'to demonstrate' or 'to point out'. If it is used without an object in the context of a lesson or meeting, it means 'to raise one's hand'.
Der Lehrer bat die Schüler, bei einer Frage aufzuzeigen.
The teacher asked the students to raise their hands if they had a question.
In the meaning 'to demonstrate' or 'to point out', 'aufzeigen' is often used with abstract nouns. Typical combinations are 'Möglichkeiten aufzeigen' (to point out possibilities), 'Grenzen aufzeigen' (to point out limits), 'Probleme aufzeigen' (to point out problems), or 'Wege aufzeigen' (to point out ways).
In seiner Präsentation zeigte er die Vorteile der neuen Strategie auf.
In his presentation, he pointed out the advantages of the new strategy.
In the meaning 'die Hand heben' (to raise one's hand), 'aufzeigen' is usually used without a direct object. It is a typical instruction or description in a learning situation.
Wenn du etwas sagen möchtest, musst du zuerst aufzeigen.
If you want to say something, you have to raise your hand first.
to show
'zeigen' and 'aufzeigen' can both mean that something is made clear. 'zeigen' is more general and fits visible things, explanations, and proof. 'aufzeigen' is used more when explaining a problem, a possibility, or a connection. It sounds more factual and often somewhat more formal. Learners may confuse the words because both have to do with explaining and making things visible. Also important: in school, 'aufzeigen' can mean to raise one's hand. That is not the same as showing someone something.
In der Besprechung zeigt Mehmet mehrere Lösungen für das Problem auf.
In the meeting, Mehmet points out several solutions to the problem.
Der Lehrer zeigt der Klasse, wie die neue App funktioniert.
The teacher shows the class how the new app works.