by degrees

US /baɪ dɪˈɡriːz/
UK /baɪ dɪˈɡriːz/
"by degrees" picture
1.

progressivement, petit à petit

gradually; little by little

:
The patient's health improved by degrees.
La santé du patient s'est améliorée progressivement.
They learned the new language by degrees.
Ils ont appris la nouvelle langue petit à petit.