久而久之 (jiǔ ér jiǔ zhī) | Meaning: over time | Chinese Idiom with Pinyin & Origin

long-time; long-term · lasting; enduring; permanent · for a long time长久cháng jiǔ

year in, year out (idiom) · (over) many years长年累月cháng nián lěi yuè

if things continue this way · if things go on like this · if always going on like this长此以往cháng cǐ yǐ wǎng

over time · as time passes · in the fullness of time