zdały

In a sentence

• Studentki zdały egzamin z matematyki.

  The female students passed the mathematics exam.

  In this sentence, "zdały" is the third-person plural feminine past tense of "zdać," meaning "passed" or "succeeded in."

• Te pomysły nigdy by nie zdały egzaminu w praktyce.

  These ideas would never pass the test in practice.

  The word "zdały" here functions as part of the phrase "zdały egzamin," figuratively indicating practical applicability.

• Starania zespołu zdały się na nic.

  The team's efforts came to nothing.

  Here, "zdały się" is part of a fixed expression meaning "proved to be," showing an outcome.