英汉词典

1. 使复杂化的难题(或困难)
    A complication is a problem or difficulty that makes a situation harder to deal with.

    e.g. The age difference was a complication to the relationship...
           年龄差异使得双方交往更加困难。
    e.g. An added complication is the growing concern for the environment.
           还有个问题就是对环境的日益关注。

2. 并发症
    A complication is a medical problem that occurs as a result of another illness or disease.

    e.g. Blindness is a common complication of diabetes...
           失明是糖尿病常见的并发症。
    e.g. He died of complications from a heart attack.
           他死于心脏病发作引起的并发症。