by degrees
成語所屬單字degree
by degrees — 慣用語
1. slowly and gradually, step by step rather than all at once
1.慣用語
釋義
逐漸地，逐步地
slowly and gradually, step by step rather than all at once
例句
Her health improved by degrees after months of treatment and rest.
The company changed its policies by degrees, avoiding any sudden shock to employees.