cop

In a sentence

• Vaig donar un cop a la taula per cridar l'atenció.

  I struck the table to draw attention.

  Here, 'cop' refers to a physical hit or strike.

• Un cop acabem, marxarem.

  Once we finish, we will leave.

  Here, 'cop' means 'once' or 'when', indicating a temporal reference.

• En aquesta vida, tot canviï d'un cop a un altre.

  In this life, everything changes from one moment to another.

  Here, 'cop' conveys the idea of an instance or occurrence.