Tā zǒng xiǎng zǒu jiéjìng, jiéguǒ fǎn'ér làngfèi le gèng duō 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.