This is the 2484th most frequent German word.
strafe
"Strafe" means "punishment" or "penalty" in English.
In this sentence, 'Strafe' is used to mean a penalty or fine that is imposed for breaking a traffic law.
Die Strafe für zu schnelles Fahren kann teuer sein.
The penalty for speeding can be expensive.
Here, 'Strafe' refers to a punishment that could be verbal or corrective for inappropriate behavior.
Er erhielt eine Strafe für seine unhöflichen Worte.
He received a punishment for his rude words.
In this context, 'Strafe' signifies a disciplinary measure aimed to correct inattentive behavior in students.