had better do sth.

• 最好做某事

had better do sth.的用法和样例：

例句

1. You had better do some outdoor esercises every day.
   你最好每天做一些户外运动。
2. We had better do some market research before we produce this car phone.
   在生产这种汽车电话之前,我们最好先做一下市场研究。
3. You had better do a little hard thinking.
   你最好仔细想一下。