后顾之虞 worries from behind
Explanation
后顾之虞指的是来自后方或家里的忧患，形容人缺乏后顾之忧，可以放心大胆地去做某事。
It refers to worries or concerns coming from the rear or family, describing a lack of worries so that one can confidently and boldly do something.
Origin Story
话说三国时期，诸葛亮率领大军北伐，在征战途中，他总是能够运筹帷幄，决胜千里，取得一个又一个的胜利。这不仅是因为他卓越的军事才能，更重要的是因为他没有后顾之虞。蜀汉后方稳定，百姓安居乐业，军需物资供应充足，这使得诸葛亮可以全身心地投入到战争中，无后顾之虑，从而取得了辉煌的战绩。 然而，后顾之虞不仅仅存在于战场上。在日常生活中，我们也会面临各种各样的后顾之虞。比如，一个创业者可能担心资金链断裂，一个学生可能担心考试不及格，一个父母可能担心孩子的成长。这些后顾之虞都会影响到我们的心情和行动，甚至影响到我们的成功。 因此，我们应该努力消除后顾之虞，才能更好地生活和工作。我们可以通过提升自己的能力，增强自己的自信，获得他人的支持等方式来消除后顾之虞。只有这样，我们才能在人生的道路上走得更加稳健，取得更大的成功。
During the Three Kingdoms period, Zhuge Liang led a large army on a Northern Expedition. On his campaign, he was always able to plan strategically, win distant battles, and achieve victory after victory. This was not only due to his outstanding military talent, but also because he had no worries from behind. The rear of Shu Han was stable, the people lived in peace and prosperity, and military supplies were abundant, allowing Zhuge Liang to devote himself entirely to the war without any worries, thus achieving brilliant achievements.
Usage
表示没有后顾之忧，可以放手去做。常用来形容人做事果断，没有后顾之忧。
It is used to express that there are no worries from behind and one can go ahead and do things. It is often used to describe someone acting decisively without any worries from behind.
Examples
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他一心扑在工作上，没有后顾之虞。
tā yīxīn pū zài gōngzuò shang, méiyǒu hòugù zhī yú
He devoted himself to his work without any worries from behind.
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有了国家的支持，我们没有任何后顾之虞。
yǒule guójiā de zhīchí, wǒmen méiyǒu rènhé hòugù zhī yú
With the support of the country, we have no worries from behind.
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这次行动，他已做了万全准备，毫无后顾之虞。
zhè cì xíngdòng, tā yǐ zuò le wàn quán zhǔnbèi, háo wú hòugù zhī yú
For this action, he has made full preparations, without any worries from behind.