Tā dàxué bìyè hòu juédìng dānrèn shénzhí, jìn le shénxuéyuàn.
After graduating from university he decided to enter the clergy and went to a seminary.
Tips
usage
Nearly always in 神职人员, "clergy", a neutral cover word for priests and ministers. The specific titles are 神父 for a Catholic priest and 牧师 for a Protestant pastor.