需知的英文怎么说

需知的英文：
need-to-know

• We need to provide for everything we will need for the trip.
  我们必须准备所有旅行要用的东西。
• You need money and time, in addition, you need diligence.
  你需要金钱和时间，此外你还需要努力。
• Do you need to wee?
  你要撒尿吗？
• Need you go so soon?
  你需要这么早走吗?
• They need our help.
  他们需要我们帮助。

• Learn not and know not
  不学无术
• Know/not know what is most important and act accordingly
  能[不能]按轻重缓急行事
• Do you know that lady?
  你认识那位夫人吗？
• Do you know the Hallelujah Chorus?
  你知道哈利路亚合唱曲吗？
• Few know and few care.
  很少有人知道，也很少有人关心。