trawniku

In a sentence

• Dzieci bawią się na trawniku.

  The children are playing on the lawn.

  Here, the word 'trawniku' (on the lawn) identifies the location where the activity is taking place, indicating a surface area outdoors covered with grass.

• Spotkajmy się na trawniku przed budynkiem.

  Let's meet on the lawn in front of the building.

  In this usage, 'trawniku' refers to a specific part of the area, emphasizing its use as a landmark or meeting point.

• Nie siadaj na trawniku, bo mokro.

  Don't sit on the lawn because it's wet.

  Here, 'trawniku' refers to the grass surface as an object and implies a condition affecting actions associated with it.