Using time wisely is spoken of as if it were redeeming the time. Alternate translation: "Do the best things you can with your time" or "Use time wisely" or "Put time to its best use" (See: [[rc://en/ta/man/jit/figs-metaphor]])
The word "days" is a metonym for what people do during those days. Alternate translation: "because the people around you are doing all kinds of evil things" (See: [[rc://en/ta/man/jit/figs-metonymy]])