Hava günden güne ılıyor. - It is getting warmer day by day.
Hava günden güne ılıyor.
It is getting warmer day by day.
Hava günden güne soğuyor. - It is getting colder day by day.
Hava günden güne soğuyor.
It is getting colder day by day.
... day by day he's learned to speak again ...