What does 도를닦는느낌이다 mean? My friend just posted on facebook "과외한번 할때마다 도를닦는느낌이다.." Seems like she's saying Everytime I tutor, _____ Not sure what 도를닦는느낌이다 means, I can only directly translate it to "the feeling of wiping a rock" haha Any help is appreciated, thank you