V-ERG
（使）变得更坏(或更糟);（使）恶化
If a bad situation worsens or if something worsens it, it becomes more difficult, unpleasant, or unacceptable.
例句
The security forces had to intervene to prevent the situation worsening...
安全部队不得不介入，以防止局势进一步恶化。
These options would actually worsen the economy and add to the deficit...
这些选择实际上只会造成经济形势更加恶化，赤字愈见增加。