certain

• It is certain that we shall succeed .
  我们是一定会成功的。
• I have been struck by certain comparisons .
  把许多情况加以对比，我的感受很深。
• Are you allergic to certain animals ?
  你讨厌某些动物吗？
• Cows are sacred to certain religious groups .
  对于某些宗教团体，牛是视为神圣的。
• I mean, it is quite certain ?
  我意思是说这消息很可靠吗？
• Technetium was discovered in certain cool stars .
  锝是在一些冷却的星体上发现的。
• This happens to many black men of certain breeds .
  这对某些种族的黑人来说很普遍。
• "i am almost certain to get the bullet," said sam .
  “我多半会被解雇，”山姆说。
• Do not act unless you are certain .
  没有把握就不要做。
• There was a certain coldness in her attitude towards me .
  她对我的态度有点儿冷淡。