scherzen
to joke
To make jokes or say something in a non-serious, humorous way.
Er scherzt gerne mit seinen Kollegen, um die Stimmung aufzulockern.
He likes to joke with his colleagues to lighten the mood.

to joke
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to joke
To make jokes or say something in a non-serious, humorous way.
Er scherzt gerne mit seinen Kollegen, um die Stimmung aufzulockern.
He likes to joke with his colleagues to lighten the mood.

The verb 'scherzen' (to joke) belongs to the noun 'der Scherz' (the joke). So someone who 'scherzt' (jokes) makes jokes.
„Das war doch nur ein Scherz!“, sagte er, als sie beleidigt war.
'That was only a joke!' he said when she was offended.
'Scherzen' (to joke) is often used with prepositions. You joke 'mit jemandem' (with someone, dative) or 'über jemanden/etwas' (about someone/something, accusative).
Bitte scherze nicht über sein neues Auto.
Please don't joke about his new car.
The expression 'mit jemandem ist nicht zu scherzen' (someone is not to be joked with) is a fixed structure. The person who does not tolerate jokes always appears in the dative after the preposition 'mit' (with).
Nach der schlechten Nachricht war mit ihm den ganzen Tag nicht zu scherzen.
After the bad news, he was not to be joked with all day.
to laugh
'lachen' and 'scherzen' are both connected with humor, but they describe different actions. 'lachen' means the reaction: you show joy or amusement with your face and voice. 'scherzen' means actively making jokes or saying something that is not meant seriously. Learners may confuse the words because people often laugh when someone jokes. But you can laugh without making a joke yourself, and you can joke without everyone laughing. Memory aid: 'scherzen' is saying something; 'lachen' is reacting to it.

Max scherzt mit seinen Kollegen, damit die Stimmung im Büro besser wird.
Max jokes with his colleagues to improve the mood in the office.
Beim Abendessen lachen wir über eine lustige Geschichte.
At dinner, we laugh about a funny story.