词典释义：
释义
) depend on (someone or something) as a source of income or support
靠…过日子，以…为生
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if you think you're going to live off me for the rest of your life, you're mistaken .你要是以为今后能靠我过一辈子，那就想错了。
have (a particular amount of money) with which to buy food and other necessities
有糊口的钱。
subsist on (a particular type of food)
以…为粮食。
(of a person)eat, or seem to eat, only (a particular type of food)
（人）只吃…
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she used to live on bacon and tomato sandwiches .她过去只吃咸肉和番茄三明治。
