“巫术”用英语口语怎么说？

就是 Voodoo!

occult spell

Definition: black magic
Synonyms: abracadabra*, alchemy, black art, charm, conjuring, devilry, divination, enchantment, evil eye, hocus-pocus*, hoodoo, jinx, mumbo-jumbo*, necromancy, obeah, obi, sorcery, spell, witchcraft, witchery, wizardry

wizardry巫术
还可以说：witchery,witchcraft,sorcery,black magic

magic,necromancy,sorcery,sortilege,witchcraft,
witchery,wizardry