经过
jīng guò
Expressing "through" with "jingguo"
经过 means "after going through" — a process that led to a result.
经过 + Event / Time，⋯⋯
How it works
经过自己的努力，她考上了北京大学 — through her own hard work, she got into Peking University.
It sets up a cause that took effort or time, then states the outcome.
经过 is also a plain verb meaning to pass by a place: 我每天经过这家店.
Examples
jīng guò zì jǐ de nǔ lì, tā kǎo shàng le běi jīng dà xué
经过自己的努力，她考上了北京大学。
Through her own hard work, she got into Peking University.
jīng guò sān nián de xué xí, tā de zhōng wén hěn hǎo le
经过三年的学习，他的中文很好了。
After three years of study, his Chinese is very good.
wǒ měi tiān jīng guò zhè jiā diàn
我每天经过这家店。
I pass this shop every day.