Günden güne hava soğuyor. - It's getting cooler day by day.
Günden güne hava soğuyor.
It's getting cooler day by day.
Bacaklarım günden güne daha da iyileşiyor. - My legs are getting better day by day.
Bacaklarım günden güne daha da iyileşiyor.
My legs are getting better day by day.
... day by day he's learned to speak again ...