41 And thou shalt put them upon Aaron thy brother , and upon his sons with him , and shalt anoint them , and consecrate them , and sanctify them , that they may minister unto me in the priest's office .. This sentence is hard to understand. A simpler version with equivalent meaning is the following:
41 Thou shalt put them on Aaron thy brother , and his sons with him . You will anoint them , you will consecrate them , you will sanctify them , and they will be at my service in the priesthood .