形容词

副词

名词

天气

1. (bad 的最高级)
Worst is the superlative of bad .

2. (badly的最高级)
Worst is the superlative of badly .

3. 最坏的事;最糟的情况
The worst is the most unpleasant or unfavourable thing that could happen or does happen.

4. (用于构成以 bad 和 badly 开头的复合形容词的最高级，如badly-affected的最高级是worst-affected)
Worst is used to form the superlative of compound adjectives beginning with 'bad' and 'badly'. For example, the superlative of 'badly-affected' is 'worst-affected'.

5. 最糟糕的是
You say worst of all to indicate that what you are about to mention is the most unpleasant or has the most disadvantages out of all the things you are mentioning.

6. 在最坏的情况下
You use at worst or at the worst to indicate that you are mentioning the worst thing that might happen in a situation.

7. 在（心情、境况）最糟糕的时候
When someone is at their worst, they are as unpleasant, bad, or unsuccessful as it is possible for them to be.

8. 如果发生最坏的情况（if worst comes to worst 主要用于美国英语）
You use if the worst comes to the worst to say what you might do if a situation develops in the most unfavourable way possible. The form if worst comes to worst is also used, mainly in American English.

9. 不择手段；使出一切手段;有什么手段尽管使出来
If someone does their worst, they do everything unpleasant that they can possibly do. You can say 'do your worst' to show someone that you are not frightened of what they may do.

1. the weakest effort or poorest achievement one is capable of

e.g. it was the worst he had ever done on a test

2. the greatest damage or wickedness of which one is capable

e.g. the invaders did their worst
so pure of heart that his worst is another man's best

3. the least favorable outcome

e.g. the worst that could happen