欺上瞒下 Deceive superiors, conceal from inferiors
Explanation
欺上瞒下指对上级领导隐瞒真实情况，欺骗他们；对下级则隐瞒真相，蒙蔽他们。这种行为是一种不诚实的行为，会造成不良的后果。
Qi Shang Man Xia refers to concealing the truth from superiors and deceiving them; concealing the truth from inferiors and blinding them. This behavior is dishonest and will lead to bad consequences.
Origin Story
在一个古老的王朝，朝廷官员李大人表面上对皇帝忠心耿耿，汇报工作总是报喜不报忧，实际却暗中结党营私，鱼肉百姓，对下属则严厉苛刻，隐瞒各种不利的消息。他为了维护自己的官位，不惜欺上瞒下，最终被揭露，身败名裂。
In an ancient dynasty, a court official named Mr. Li appeared loyal to the emperor, always reporting good news and hiding bad news. But in reality, he secretly formed cliques, oppressed the people, and was harsh to his subordinates. He hid all kinds of bad news to protect his official position and engaged in deceit. In the end, he was exposed and ruined his reputation.
Usage
常用于批评那些对上级领导隐瞒真相，欺骗他们；对下级则隐瞒真相，蒙蔽他们的行为。
Often used to criticize those who conceal the truth from superiors, deceiving them, and conceal the truth from inferiors, blinding them.
Examples
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他为了升职，经常欺上瞒下，最终东窗事发，被公司开除。
tā wèile shēngzhí, jīngcháng qī shàng mán xià, zuìzhōng dōngchuāng shìfā, bèi gōngsī kāichú。
He often deceived his superiors and concealed the truth from his inferiors in order to get promoted. Eventually, he was found out and dismissed by the company.
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一些不负责任的领导，为了维护自己的面子，往往选择欺上瞒下，导致问题越来越严重。
yīxiē bù fù zérèn de lǐngdǎo, wèile wéihù zìjǐ de miànzi, wǎngwǎng xuǎnzé qī shàng mán xià, dǎozhì wèntí yuè lái yuè yánzhòng。
Some irresponsible leaders often choose to deceive their superiors and conceal the truth from their inferiors in order to maintain their face, causing problems to become more and more serious.