Synonyms:

evam–thus prescribed; pravartitam–established by the Vedas; cakram–cycle; na–does not; anuvartayati–adopt; iha–in this life; yah–one who; agha-ayuh–life full of sins; indriya-aramah–satisfied in sense gratification; mogham–useless; partha–O son of Prtha (Arjuna); sah–one who does so; jivati–lives.

Translation:

My dear Arjuna, a man who does not follow this prescribed Vedic system of sacrifice certainly leads a life of sin, for a person delighting only in the senses lives in vain.