英汉词典

1. 恶化;变坏;衰退
    If something deteriorates, it becomes worse in some way.

    e.g. There are fears that the situation might deteriorate into full-scale war...
           人们担心形势可能恶化而演变成一场全面战争。
    e.g. The weather conditions are deteriorating...
           天气变得越来越糟。