by degrees

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

逐漸地, 慢慢地

gradually; little by little

:
The patient's health improved by degrees.
病人的健康狀況逐漸好轉。
They learned the new language by degrees.
他們逐漸學會了這門新語言。