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汉语拼音：fáng huàn yú wèi rán

患：灾祸；未然：没有这样，指尚未形成。防止事故或祸害于尚未发生之前。

• 【解释】：患：灾祸；未然：没有这样，指尚未形成。防止事故或祸害于尚未发生之前。
• 【出自】：《周易·既济》：“君子以思患而豫防之。”《乐府诗集·君子行》：“君子防未然。”
• 【示例】：臣闻～者易，除患于已然者难。
  ◎明·马文升《添风宪以抚流民疏》

• Regulators said the law is aimed at preventing food contamination rather than responding to it.

  监管部门说，该法旨在在食品污染问题上防患于未然，而不是马后炮。

• But the idea that this can be prevented by judicious regulation of investment banking activities is a chimaera.

  以为对投资银行业活动的明智监管能够防患于未然，不过是痴人说梦。

• The security monitor was able to record the IP of the user who had no privilege to try to enter the database.

  安全监控可以使准确的记录下没有权限的用户试图登录数据库的用户机子的IP地址，能防患于未然。

• As the saying goes: " prevention " , can address the issue in more is always better than before, the turbulence in the end.

  俗话说：“预防重于治疗”，能防患于未然之前，更胜于治乱于已成之后。

• "Unfortunately, madame, " answered Villefort, "the strong arm of the law is not called upon to interfere until the evil has taken place. "

  “夫人，”维尔福回答说，“不幸的是法律之手段虽强硬却无法做到防患于未然。”

• To motivate you to stay young and healthy, think about what prevention can provide.

  为了促使你保持年轻健康，请想想看防患于未然能带给你什么。

• Through the analysis of the problems in the extra floor building, solutions should be found to solve the problems.

  通过对房屋加层中所遇到的问题进行分析研究，找到解决问题的方法，防患于未然。

• Discipline is about nipping things in the bud while love is always subtle and sincere.

  严在防患于未然，爱须真诚到细微。

• IAB also has developed an enforcement program as part of our proactive approach to corruption control.

  内勤局还有一个执法项目，是我们通过防患于未然来遏制腐败的一个环节。