certain

• She tells me everything in certain areas .
  在某些事情上，她是什么都告诉我的。
• Mathematical knowledge was certain .
  数学知识是确定无疑的。
• If not, refusal would be certain .
  否则的话，肯定会碰钉子。
• The dose commitment is not certain .
  剂量负担是不能肯定的。
• I felt a certain reluctance to tell her the news .
  我不太愿意告诉她这个消息。
• Their latest model is certain to be a winner .
  他们最新型号的产品一定很成功。
• It 's not at all certain whether i 'll come tomorrow .
  我明天还不定来不来呢。
• She just wanted to know for certain .
  她只想把事情弄清楚。
• Certain failures will require immediate attention .
  有些故障需要立即引起注意。
• You may be certain he never went back to school .
  你可以肯定，他决不会回学校。