تَقُولُ: «جَاءَنِي طَلْحَةُ وَطَلْحَةٌ آخَرُ».
Translation: “Ṭalḥah came to me, and another Ṭalḥah came.”
The first طَلْحَةُ is used as a particular person’s proper name; the second طَلْحَةٌ is used indefinitely for another person of that name and so accepts tanwīn.