noun, noun which may take the genitive case particle 'no'
surrounded by enemies on all sides; betrayed by everyone
Yojijukugo describing a situation where one is completely isolated, with no allies or support. Often used figuratively for feeling abandoned or opposed by all.
彼は四面楚歌の状態で、誰も味方してくれなかった。
He was surrounded by enemies on all sides, and no one would side with him.
四面楚歌の中で、彼女は一人で戦い続けた。
Amidst betrayal from everyone, she continued to fight alone.