准

• It must have been a valuable experience .
  那准是有价值的所见所闻了。
• The air flow was regarded as quasi-laminar .
  空气流动被视为准层流。
• He is very obliging. he 's sure to help if you ask him .
  求求他准行。
• If i am late he is sure to be furious .
  如果我去迟了，他准会大光其火。
• She is a difficult person to pin down .
  她这人行事、说话没个准儿。
• He must be joking or else he is mad .
  他准是开玩笑，要不就是疯了。
• It flashed through his mind that she was crazy .
  他突然想到她准是疯了。
• She must have been having lessons on the sky .
  她准是暗地里一直在上课。
• It is guaranteed to rain when you want to go out .
  你想出门，天准下雨。
• I will do that to which i am assigned .
  派给我什么任务，我准干。