某个

• My good opinion of someone once lost is lost for ever .
  我对某个人一旦没有了好感，就永远没有了好感。
• Can you cite any specific evidence in support of your opinion ?
  你能否引用某个证据来支持自己的意见？
• A star is defined as the set of edges incident to a vertex .
  一个星形定义为关联于某个顶点的边的集合。
• Some may not fit the specialty of a particular publishing house .
  有些则可能是不符合某个出版社的特点。
• The electrons themselves are not stationary in a stationary state .
  在某个定态中，电子本身并不是不动的。
• At some time more than five billion years ago the universe started .
  在50亿年前的某个时候，宇宙开始形成。
• If she takes against someone, she makes no attempt at pretence .
  如果她不喜欢某个人，也毫不掩饰自己的想法。
• What may be a stimulus at one time may become an obstacle later .
  在某个时期起推动作用的而后也可能变成障碍。
• Then perhaps she is staying at one of cottages or farmhouses ?
  那么也许她现在住在某个农舍或哪个农场的房子里吧？
• To possess a concept is not to own some easily identifiable article .
  持有一个概念并不是持有某个容易辨认的物品。