The phrase "take someone's life" is a way of saying that someone has killed another person. There are many synonyms for this phrase, each with their own connotations and degrees of severity. Some examples include "murder," which implies a deliberate and premeditated act of killing; "kill," which is a more general term that can be used to refer to any act of taking a life; "slay," which is an old-fashioned term often used in stories or historical contexts; and "execute," which is typically reserved for cases where the killing was done as a form of punishment. Other synonyms include "dispatch," "eliminate," and "annihilate".