living for 和living from 原形 live for ,live from 都跟生活有关的,但具体意思有所不同. live for 为……而生活 One should not live for oneself alone.一个人不应只是为自已活着. live from有个固定词组live from hand to mouth 糊口度日 Since she only has a temporary job. She has to live from hand to mouth. 她只有一份临时工,只能勉强糊口.
