须

• There is n't much time ahead , so we should redouble our effort .
  来日无多，须加倍努力。
• She told me on which days i should leave my clinic closed .
  她告诉我哪些天须让诊所停业。
• I needed only to wear a suit and a thin shirt .
  我只须穿一件外套和一件薄薄的衬衫就行了。
• We must introduce some system into our office routine .
  我们须在我们日常公务中建立一些制度。
• After all, it only costs the reader two pence .
  不管怎么说，读者只须花两个便士就可以买到呀！
• I wondered if perhaps i should put off my adventuring .
  我心里盘算着，是否须得放弃冒险生活。
• Care should be taken to obtain an unbiased sample .
  要取得一个真实无误的样本，须应仔细从事。
• She badly needs a change .
  她急须改变一下。
• Civil servants are required to sign the official secrets act .
  公务员须签署遵守公务保密条例。
• These four restrictions have to be justified or removed .
  这四个假定须证明是合理的或予以取消。