具体语境具体分析：比如be from是“从或“来自于”的意思的话，同义的是come from;如果是“出生”的意思的话;同义的是be born。
come from和be from的同义词
come from
arrive from;have one's origin in;result from来自;源于;产生;结果
to come from (a place)
hail from spring from come from to be from。 be derived from。 flow from from consequent proceed from out of。