upozornil

In a sentence

• Upozornil som ho na chybu v jeho práci.

  I pointed out the mistake in his work.

  Here, 'upozornil' is used to mean drawing attention to an error or mistake.

• Policajt ho upozornil, že nemá zapnuté svetlá.

  The police officer warned him that his lights were off.

  In this context, 'upozornil' is used to indicate a warning or caution about following rules.

• Učiteľ upozornil žiakov, aby si zapamätali tento dôležitý vzorec.

  The teacher advised the students to remember this important formula.

  Here, 'upozornil' means advising or highlighting something important to remember.