知

• Somehow he couldn't fence with her today .
  不知怎的，他今天不能对她搪塞了。
• I am stumped : i just do not know what to do .
  我很为难，简直不知如何是好。
• It's an honest ordinance, as far as i know .
  就我所知，那是一个正当的章程。
• To my knowledge , she has never been late before .
  据我所知，她从未迟到过。
• The pot calls the kettle black .
  只知责怪别人而不知自己有同样的缺点或过失。
• I mislaid my english textbook .
  我不知把英语课本丢在哪儿了。
• He has no tact in dealing with people .
  他不知怎样与人交往。
• Somehow i have ran out of money .
  我的钱不知怎的已经用光了。
• She works hard as if she never knew fatigue .
  她工作努力，仿佛不知疲倦似的。
• I would like to do it but i do not know how to .
  我倒是愿意做，但不知怎么做。