第三人称单数： worsens
过去式： worsened
过去分词： worsened
现在分词： worsening

Big recessions would also worsen already damaged fiscal positions .

大规模衰退还会使本已受损的财政状况出现恶化。

And mr obama 's ruling will only worsen that tension .

而奥巴马的决定只可能加剧这种紧张气氛。

Does anything seem to improve or worsen your symptoms ?

有没有什么情况能改善或加重你的症状？

That can worsen any drought that develops .

这会是干旱情况进一步恶化。

More will follow if conditions worsen .

如果状况恶化，随之而来的移民会更多。