a form of Judaism that follows Jewish law very strictly and has a lot of rules about everyday living

He was born a Catholic but converted to Orthodox Judaism and adheres to many conservative rules. 他出生于天主教家庭，但皈依了犹太教正统派并遵守该教派许多保守的教条。

In orthodox Judaism, only certain animals, which must be ritually slaughtered, may be eaten. 在正统犹太教中，只有某些按宗教仪式屠宰的动物才可以供人食用。