形容词
1. The best thing for you would be to forget it. 你最好是把这事忘了。
副词
1. We had best call for the doctor at once. 我们最好马上就请医生来。
名词
1. Even the best of us make mistakes. 即便是最能干的人也会出错。
2. We should do our best to help her. 我们应该尽最大努力帮助她。