Rejection by a lover is a powerful negative experience that can cause people to slide into depression or commit extreme ACTS.

被恋人抛弃是一种非常消极的情感经历，这种经历可以使一个人陷入绝望或者产生一些极端的行为。

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You may be frightened of rejection or you may be under the influence of perfectionism; both motivations can cause you to not even try and reach out for fear of failing or being seen as a failure.

B 你可能害怕求助的时候被拒绝，或者你受完美主义理论影响至深，两者都会导致你甚至连尝试一下求助都不敢，因为你会担心失败，或担心被看成失败者；

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With transplant surgeries, the risk of rejection and infection is great. This transplant is no different. To further complicate matters, some anti-rejection drugs can cause serious side effects.

移植手术排斥和感染的风险很大，这例移植手术也不例外。更为复杂的是，一些抗排斥药物会引起严重的副作用。

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But it is not yet known whether tissues derived from embryonic stem cells would cause transplant rejection, whereas this does not seem to be a problem with adult stem cells.

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Additionally, years of dialysis can lead to a build-up of antibodies, which can cause rejection of the new organ.

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