• He’s not a teacher. (他不是⼀个⽼师。)(客观陈述)
  • He’s no teacher. (他才不是⽼师。)(突出感情)
  • This is not better than that. (这个没有⽐那个更好。)(客观陈述)
  • This is no better than that. (这俩都⼀般。)(突出感情)