比较级是worse，最高级是worst，例如：

1.I'm afraid there is worse to come.恐怕更糟的还在后头呢。

2.I can't think of a worse way to spend my time.我想不出更糟的消磨时间的办法。

3.Don't tell her that ─ you'll only make things worse.别把这事告诉她，你只会火上浇油。