Hanzi
积年累月
积年累月
积年累月
积年累月
积年累月
积年累月
积年累月
积年累月

jī积nián年lěi累yuè月

for many years and months; over a long period of time

他积年累月地研究这门学问，终于有所成就。
He has dedicated many years and months to studying this discipline, and finally achieved something.

Era:

Ancient

Frequency:

Synonym:

积岁累月、长年累月

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