re-,再，重新，lapse,滑落。引申词义复发。

1. A wide range of emotionally stressful events may trigger a relapse.

多种令人情绪紧张的事情都可能引起旧病复发.

2. You are well now, but mind you don't have a relapse.

你的病虽然好了, 可要防止反复.

3. After making some progress, he suffered a relapse.

他的病好了一点, 又复发了.

4. It is by no means clear that the financial markets will not relapse into panic.

现在还不能确定金融市场不会重新陷入恐慌。

5. The treatment is usually given to women with a high risk of relapse after surgery.

这种治疗方法通常针对术后复发风险高的女性。