der Punch
punch
A strong, quick blow with the fist, especially in boxing.
Der Boxer landete einen harten Punch am Kinn seines Gegners.
The boxer landed a hard punch on his opponent's chin.

punch
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punch
A strong, quick blow with the fist, especially in boxing.
Der Boxer landete einen harten Punch am Kinn seines Gegners.
The boxer landed a hard punch on his opponent's chin.

You can recognize the meaning of 'Punch' (punch) from the context. In a sports context, it is a blow with the fist; in connection with jokes, it is the punchline; and at parties, it is a drink.
Der Boxer wich dem Punch geschickt aus.
The boxer skillfully dodged the punch.
In boxing or in a confrontation, 'Punch' (punch) is often combined with verbs like 'landen' (to land), 'einstecken' (to take), or 'abbekommen' (to receive / get hit by).
Sie hat einen harten Punch gelandet und den Kampf gewonnen.
She landed a hard punch and won the fight.
When 'Punch' (punchline) means the punchline, it is often described as the 'finale' (final) or 'eigentliche' (actual) punch. It is the part of a story that contains the surprising twist or the joke.
Er erzählte eine lange Geschichte, aber der eigentliche Punch war am Ende.
He told a long story, but the real punchline was at the end.
As a drink, 'Punch' (punch) is often described with adjectives like 'alkoholfrei' (non-alcoholic), 'fruchtig' (fruity), or 'kalt' (cold). Typical verbs are 'zubereiten' (to prepare), 'mixen' (to mix), or 'servieren' (to serve).
Für die Kinder haben wir einen speziellen alkoholfreien Punch gemacht.
For the children, we made a special non-alcoholic punch.
blow / stroke
'der Schlag' and 'der Punch' can both mean a forceful hit. 'der Schlag' is the general German word and fits many situations: with the hand, with an object, or also in sports. 'der Punch' is narrower and sounds more sporty, especially in boxing. It usually means a quick, strong blow with the fist. In everyday language, 'Schlag' is more natural; in boxing or in sports commentary, 'Punch' can sound more precise.

Der Boxer traf seinen Gegner mit einem schnellen Punch.
The boxer hit his opponent with a quick punch.
Ein Schlag mit dem Hammer reichte, um den Nagel in die Wand zu treiben.
One blow with the hammer was enough to drive the nail into the wall.