O kili ateşe koyarak sertleştirdi.
 - He hardened clay by putting it into a fire.
İsviçre göç politikasını sertleştirdi.
 - Switzerland hardened its immigration policy.
Güneşin ısısı kili sertleştirir.
 - The heat of the sun hardens clay.
O kili ateşe koyarak sertleştirdi.
 - He hardened clay by putting it into a fire.
The bloody scene could reduce even the most hardened soldier to tears.
When thou goest to return into Egypt, see that thou do all those wonders before Pharaoh, which I have put in thine hand: but I will harden his heart, that he shall not let the people go. — KJV, Exodus 4:21.