Subject + 坚持 + Verb/Noun
坚持 (jiānchí) is a verb meaning "to persist," "to insist on," or "to stick with." It conveys determination and perseverance in continuing an action or maintaining a position despite difficulties. It can be followed by a verb phrase or noun to indicate what one persists in doing.
他每天坚持跑步,已经跑了三年了。
Tā měi tiān jiānchí pǎobù, yǐjīng pǎo le sān nián le.
He has kept running every day for three years now.
学语言最重要的是坚持练习。
Xué yǔyán zuì zhòngyào de shì jiānchí liànxí.
The most important thing in learning a language is to keep practicing.
她坚持自己的想法,没有被别人说服。
Tā jiānchí zìjǐ de xiǎngfǎ, méiyǒu bèi biérén shuōfú.
She stuck to her own ideas and was not persuaded by others.