Gōngzuò le yìzhěngtiān, wǒ méijīnglì chūqù wán le.
After working all day, I don't have the energy to go out.
Tips
usage
精力 is the mental and physical bandwidth to take something on, distinct from 力气 (raw physical strength) and 时间 (time). 没精力 is what you say when you're burned out, not just tired.
