had better V ...

phr

• ① (劝告或建议用语)最好…
  • You had better go [not go].你最好去[不去](★口语常用 I [You etc.]'d better go [not go]., 甚或I [You etc.] better go [not go]. 而将had省略; would better V有时可用来表示同样的意义;对过去的事有时可用had better have p.p.的句型)。
  • Hadn't I better ask?我是否最好发问?