to work hard; to put extra effort; to take great trouble and care.

to undergo misery; to undergo something painful or unpleasant, as injury, grief, a loss, etc.; to be afflicted with; to experience pain, harm, loss, a penalty, etc.; to suffer.

ಕಷ್ಟಪಟ್ಟರೆ ಫಲವುಂಟು kaṣṭapaṭṭare phalavuṇṭu hard work always pays.