「bad」的最高級

worst(adjective)

bad to the greatest extent

That is the worst book I have ever read.

最差地，最壞地

worst(adverb)

in the worst way or manner

This group performed worst (of all) in the test.

最差(壞)的人或事物

worst(pronoun)

the thing, person etc which is bad to the greatest extent

the worst of the three; His behaviour is at its worst when he's with strangers; At the worst they can only fine you.