Tā zhōngyú zhèngtuō le jīngshén shàng de jiāsuǒ, chóngxīn kāishǐ.
He finally cast off his mental shackles and started over.
Tips
usage
枷 is the old wooden neck-collar used to punish criminals. The common compound 枷锁 (yoke and chains) is mostly used figuratively for any heavy constraint.