不时之需 Contingency
Explanation
指不是预定的时间，说不定什么时候会出现的需要。
Refers to a time that is not predetermined, a need that may arise at any time.
Origin Story
话说宋朝时期，大文豪苏轼因得罪权贵被贬谪到黄州。生活虽然清苦，但他依然保持着乐观豁达的心态。一日，苏轼与友人泛舟赤壁，友人带了一条鲜美的鲈鱼，苏轼兴致勃勃地要饮酒庆祝。苏轼的妻子王弗早有准备，她一直默默地为苏轼准备着一些美酒佳肴，以备不时之需。这便是苏轼笔下名篇《后赤壁赋》中“我有斗酒，藏之久矣，以待子不时之需”的由来。这一举动，不仅体现了王弗对丈夫的体贴入微，更展现了他们夫妇应对生活的智慧和准备。他们不仅享受生活的美好，更懂得未雨绸缪，以应对人生中的各种变故。这份不时之需的准备，也让他们的生活更加从容淡定。
During the Song Dynasty, the great writer Su Shi was demoted to Huangzhou for offending powerful officials. Although his life was difficult, he remained optimistic and open-minded. One day, Su Shi and a friend were boating on the Red Cliff, and his friend brought a delicious sea bass. Su Shi was very excited and wanted to celebrate with wine. Su Shi's wife, Wang Fu, had already prepared. She quietly prepared some fine wines and food for Su Shi, just in case. This is the origin of Su Shi's famous essay "After the Red Cliff," where it says, "I have a jug of wine that I have kept for a long time, waiting for your need whenever it arises." This act not only shows Wang Fu's meticulous care for her husband but also shows the wisdom and preparedness of the couple in dealing with life. They not only enjoyed the beauty of life but were also far-sighted and prepared for all kinds of changes in life. This preparation for contingencies made their life more relaxed and calm.
Usage
作宾语；表示说不定什么时候会需要。常用在需要提前准备的情况下。
Used as an object; it expresses the possibility of a need arising at any time. It is often used in situations where preparation in advance is necessary.
Examples
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家中常备一些急救药品，以备不时之需。
jiazhongchangbeiyixiejiujiuyaopin,yibubeibu shizhixu.
We always keep some emergency medicine at home, just in case.
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这次意外事故，多亏预先准备的物资派上了用场，这真是不时之需啊！
zheciyiwai shigu,duokuiyuxianzhunbeidewuzhipashangle yongchang,zhe zhen shibushizhixu a!
This accident, thanks to the supplies prepared in advance, saved us; it was really an emergency need!