Hanzi
积时累日
积时累日
积时累日
积时累日
积时累日
积时累日
积时累日
积时累日

jī积shí时lěi累rì日

To describe a long period of time; over days and months; through prolonged effort.

这项复杂的技术，需要积时累日地学习和实践才能掌握。
Mastering this complex skill requires continuous learning and practice over a long period of time.

Era:

Modern

Frequency:

Synonym:

积日累月、经年累月

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