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汉语拼音：shì xiān

事前：这件事～我一点儿也不知道。

1. 事情未发生前。

   《宋史·刘挚传》：“﹝小人﹞希赏之心，每在事先；奉公之心，每在私后。” 毛泽东 《党委会的工作方法》：“开会要事先通知。”

• How could she tell beforehand that I was going to go out?

  她怎么会事先知道我要出去？

• It wasn't a spur-of-the-moment decision. We discussed it in detail beforehand.

  这可不是头脑一热作出的决定。我们事先仔细地讨论过。

• I took the precaution of clearing out my desk before I left.

  我临走时特地事先把办公桌清理了一下。

• With a little forethought many accidents could be avoided.

  如果事先稍微多想想，许多事故是可以避免的。

• The salad improves if made in advance and left to stand.

  色拉如果能事先做好再搁置一会儿，味道会更好。

• The Macmillan Guide had forewarned me of what to expect.

  《麦克米伦指南》已经事先告诫过我会遇到什么情况。

• When planting seedlings I prefer to mark out the rows in advance.

  种树苗的时候，我喜欢事先划出行来。

• Rehearse and role-play the interview with a friend beforehand.

  事先和朋友通过角色扮演排练一下面试。

• Theresa was struck by her own lack of forethought.

  特蕾莎强烈意识到自己事先太欠考虑了。

• He had prepared scripted answers.

  他已事先写好了答案。

• Make a list of your questions beforehand.

  事先列出你的问题。

• She was transferred without notice.

  她事先没接到通知就被调走了。

• Viewing is by appointment only.

  参观须事先预约。

• He wanted to confer with his colleagues before reaching a decision.

  他想与他的同事先商议一下再作出决定。

• deviation from the previously accepted norms

  违背事先接受的准则