Tā zǒng xiǎng zǒujiéjìng, jiéguǒ fǎn'ér làngfèi le gèngduō shíjiān.
He always tried to take shortcuts, but ended up wasting even more time.
Tips
usage
走捷径 can be literal (taking a shorter route) or figurative (avoiding hard work to achieve a result quickly). Figurative use often carries a slightly negative connotation, suggesting cutting corners.