Tā dézuì le suǒyǒu tóngshì, xiànzài kěwèi sìmiànchǔgē.
He's offended every colleague; now he's truly isolated with enemies everywhere.
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From 《史记·项羽本纪》: Xiang Yu's army was trapped at Gaixia; at night he heard Han soldiers singing songs of his native Chu from all directions and believed Chu had fallen. He despaired, and the phrase has meant 'surrounded by enemies' ever since.